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Finding the Fourth Proportional to 14,160.56, 19,561.56 and 11,346.62

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Solution

The fourth proportional to 14,160.56, 19,561.56 and 11,346.62 is: 15,674.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,160.56 : 19,561.56 = 11,346.62 : x
  2. Step 2: Convert to fraction form
    14,160.56/19,561.56 = 11,346.62/x
  3. Step 3: Cross multiply
    14,160.56x = 19,561.56 × 11,346.62
  4. Step 4: Simplify right side
    14,160.56x = 221,957,587.93
  5. Step 5: Solve for x
    x = 221,957,587.93/14,160.56
  6. Step 6: Final answer
    x = 15,674.35

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Half scale
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Double scale
Find fourth proportional to 14,161.56, 19,562.94 and 11,347.62
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.