Home / 22,567.60-31,150.92-13,143.92

Finding the Fourth Proportional to 22,567.60, 31,150.92 and 13,143.92

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Solution

The fourth proportional to 22,567.60, 31,150.92 and 13,143.92 is: 18,143.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,567.60 : 31,150.92 = 13,143.92 : x
  2. Step 2: Convert to fraction form
    22,567.60/31,150.92 = 13,143.92/x
  3. Step 3: Cross multiply
    22,567.60x = 31,150.92 × 13,143.92
  4. Step 4: Simplify right side
    22,567.60x = 409,445,200.41
  5. Step 5: Solve for x
    x = 409,445,200.41/22,567.60
  6. Step 6: Final answer
    x = 18,143.05

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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.