Home / 16,581.13-22,881.96-9,129.13

Finding the Fourth Proportional to 16,581.13, 22,881.96 and 9,129.13

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Solution

The fourth proportional to 16,581.13, 22,881.96 and 9,129.13 is: 12,598.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,581.13 : 22,881.96 = 9,129.13 : x
  2. Step 2: Convert to fraction form
    16,581.13/22,881.96 = 9,129.13/x
  3. Step 3: Cross multiply
    16,581.13x = 22,881.96 × 9,129.13
  4. Step 4: Simplify right side
    16,581.13x = 208,892,387.49
  5. Step 5: Solve for x
    x = 208,892,387.49/16,581.13
  6. Step 6: Final answer
    x = 12,598.20

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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.