Home / 22,992.17-31,730.66-13,435.15

Finding the Fourth Proportional to 22,992.17, 31,730.66 and 13,435.15

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Solution

The fourth proportional to 22,992.17, 31,730.66 and 13,435.15 is: 18,541.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,992.17 : 31,730.66 = 13,435.15 : x
  2. Step 2: Convert to fraction form
    22,992.17/31,730.66 = 13,435.15/x
  3. Step 3: Cross multiply
    22,992.17x = 31,730.66 × 13,435.15
  4. Step 4: Simplify right side
    22,992.17x = 426,306,176.70
  5. Step 5: Solve for x
    x = 426,306,176.70/22,992.17
  6. Step 6: Final answer
    x = 18,541.36

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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.