Home / 22,873.28-31,567.92-13,442.72

Finding the Fourth Proportional to 22,873.28, 31,567.92 and 13,442.72

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Solution

The fourth proportional to 22,873.28, 31,567.92 and 13,442.72 is: 18,552.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,873.28 : 31,567.92 = 13,442.72 : x
  2. Step 2: Convert to fraction form
    22,873.28/31,567.92 = 13,442.72/x
  3. Step 3: Cross multiply
    22,873.28x = 31,567.92 × 13,442.72
  4. Step 4: Simplify right side
    22,873.28x = 424,358,709.54
  5. Step 5: Solve for x
    x = 424,358,709.54/22,873.28
  6. Step 6: Final answer
    x = 18,552.60

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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.