Home / 23,110.50-31,892.55-12,500.13

Finding the Fourth Proportional to 23,110.50, 31,892.55 and 12,500.13

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Solution

The fourth proportional to 23,110.50, 31,892.55 and 12,500.13 is: 17,250.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,110.50 : 31,892.55 = 12,500.13 : x
  2. Step 2: Convert to fraction form
    23,110.50/31,892.55 = 12,500.13/x
  3. Step 3: Cross multiply
    23,110.50x = 31,892.55 × 12,500.13
  4. Step 4: Simplify right side
    23,110.50x = 398,661,021.03
  5. Step 5: Solve for x
    x = 398,661,021.03/23,110.50
  6. Step 6: Final answer
    x = 17,250.21

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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.