Home / 22,565.05-31,140.92-12,494.60

Finding the Fourth Proportional to 22,565.05, 31,140.92 and 12,494.60

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Solution

The fourth proportional to 22,565.05, 31,140.92 and 12,494.60 is: 17,243.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,565.05 : 31,140.92 = 12,494.60 : x
  2. Step 2: Convert to fraction form
    22,565.05/31,140.92 = 12,494.60/x
  3. Step 3: Cross multiply
    22,565.05x = 31,140.92 × 12,494.60
  4. Step 4: Simplify right side
    22,565.05x = 389,093,416.88
  5. Step 5: Solve for x
    x = 389,093,416.88/22,565.05
  6. Step 6: Final answer
    x = 17,243.19

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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.