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Finding the Fourth Proportional to 19,706.01, 27,193.15 and 11,210.19

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Solution

The fourth proportional to 19,706.01, 27,193.15 and 11,210.19 is: 15,469.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,706.01 : 27,193.15 = 11,210.19 : x
  2. Step 2: Convert to fraction form
    19,706.01/27,193.15 = 11,210.19/x
  3. Step 3: Cross multiply
    19,706.01x = 27,193.15 × 11,210.19
  4. Step 4: Simplify right side
    19,706.01x = 304,840,378.20
  5. Step 5: Solve for x
    x = 304,840,378.20/19,706.01
  6. Step 6: Final answer
    x = 15,469.41

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Half scale
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Double scale
Find fourth proportional to 19,707.01, 27,194.53 and 11,211.19
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.