Home / 23,111.50-31,893.87-14,732.86

Finding the Fourth Proportional to 23,111.50, 31,893.87 and 14,732.86

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Solution

The fourth proportional to 23,111.50, 31,893.87 and 14,732.86 is: 20,331.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,111.50 : 31,893.87 = 14,732.86 : x
  2. Step 2: Convert to fraction form
    23,111.50/31,893.87 = 14,732.86/x
  3. Step 3: Cross multiply
    23,111.50x = 31,893.87 × 14,732.86
  4. Step 4: Simplify right side
    23,111.50x = 469,887,921.57
  5. Step 5: Solve for x
    x = 469,887,921.57/23,111.50
  6. Step 6: Final answer
    x = 20,331.35

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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.