Home / 23,110.46-31,892.49-12,500.20

Finding the Fourth Proportional to 23,110.46, 31,892.49 and 12,500.20

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Solution

The fourth proportional to 23,110.46, 31,892.49 and 12,500.20 is: 17,250.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,110.46 : 31,892.49 = 12,500.20 : x
  2. Step 2: Convert to fraction form
    23,110.46/31,892.49 = 12,500.20/x
  3. Step 3: Cross multiply
    23,110.46x = 31,892.49 × 12,500.20
  4. Step 4: Simplify right side
    23,110.46x = 398,662,503.50
  5. Step 5: Solve for x
    x = 398,662,503.50/23,110.46
  6. Step 6: Final answer
    x = 17,250.31

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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.