Home / 19,565.60-27,012.24-12,862.44

Finding the Fourth Proportional to 19,565.60, 27,012.24 and 12,862.44

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Solution

The fourth proportional to 19,565.60, 27,012.24 and 12,862.44 is: 17,757.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,565.60 : 27,012.24 = 12,862.44 : x
  2. Step 2: Convert to fraction form
    19,565.60/27,012.24 = 12,862.44/x
  3. Step 3: Cross multiply
    19,565.60x = 27,012.24 × 12,862.44
  4. Step 4: Simplify right side
    19,565.60x = 347,443,316.27
  5. Step 5: Solve for x
    x = 347,443,316.27/19,565.60
  6. Step 6: Final answer
    x = 17,757.87

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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.