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Finding the Fourth Proportional to 15,101.80, 22,652.70 and 9,196.90

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Solution

The fourth proportional to 15,101.80, 22,652.70 and 9,196.90 is: 13,795.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,101.80 : 22,652.70 = 9,196.90 : x
  2. Step 2: Convert to fraction form
    15,101.80/22,652.70 = 9,196.90/x
  3. Step 3: Cross multiply
    15,101.80x = 22,652.70 × 9,196.90
  4. Step 4: Simplify right side
    15,101.80x = 208,334,616.63
  5. Step 5: Solve for x
    x = 208,334,616.63/15,101.80
  6. Step 6: Final answer
    x = 13,795.35

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.