Home / 23,135.92-34,848-21,513.76

Finding the Fourth Proportional to 23,135.92, 34,848 and 21,513.76

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Solution

The fourth proportional to 23,135.92, 34,848 and 21,513.76 is: 32,404.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,135.92 : 34,848 = 21,513.76 : x
  2. Step 2: Convert to fraction form
    23,135.92/34,848 = 21,513.76/x
  3. Step 3: Cross multiply
    23,135.92x = 34,848 × 21,513.76
  4. Step 4: Simplify right side
    23,135.92x = 749,711,508.48
  5. Step 5: Solve for x
    x = 749,711,508.48/23,135.92
  6. Step 6: Final answer
    x = 32,404.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.