Home / 22,511.16-31,032.45-15,776.43

Finding the Fourth Proportional to 22,511.16, 31,032.45 and 15,776.43

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Solution

The fourth proportional to 22,511.16, 31,032.45 and 15,776.43 is: 21,748.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,511.16 : 31,032.45 = 15,776.43 : x
  2. Step 2: Convert to fraction form
    22,511.16/31,032.45 = 15,776.43/x
  3. Step 3: Cross multiply
    22,511.16x = 31,032.45 × 15,776.43
  4. Step 4: Simplify right side
    22,511.16x = 489,581,275.15
  5. Step 5: Solve for x
    x = 489,581,275.15/22,511.16
  6. Step 6: Final answer
    x = 21,748.38

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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.