Home / 23,111.11-31,893.10-12,500.52

Finding the Fourth Proportional to 23,111.11, 31,893.10 and 12,500.52

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Solution

The fourth proportional to 23,111.11, 31,893.10 and 12,500.52 is: 17,250.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,111.11 : 31,893.10 = 12,500.52 : x
  2. Step 2: Convert to fraction form
    23,111.11/31,893.10 = 12,500.52/x
  3. Step 3: Cross multiply
    23,111.11x = 31,893.10 × 12,500.52
  4. Step 4: Simplify right side
    23,111.11x = 398,680,334.41
  5. Step 5: Solve for x
    x = 398,680,334.41/23,111.11
  6. Step 6: Final answer
    x = 17,250.59

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Double scale
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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.