Home / 22,613.32-31,208.29-12,545.00

Finding the Fourth Proportional to 22,613.32, 31,208.29 and 12,545.00

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Solution

The fourth proportional to 22,613.32, 31,208.29 and 12,545.00 is: 17,313.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,613.32 : 31,208.29 = 12,545.00 : x
  2. Step 2: Convert to fraction form
    22,613.32/31,208.29 = 12,545.00/x
  3. Step 3: Cross multiply
    22,613.32x = 31,208.29 × 12,545.00
  4. Step 4: Simplify right side
    22,613.32x = 391,507,951.20
  5. Step 5: Solve for x
    x = 391,507,951.20/22,613.32
  6. Step 6: Final answer
    x = 17,313.16

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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.