Home / 14,862.72-20,512.40-8,575.12

Finding the Fourth Proportional to 14,862.72, 20,512.40 and 8,575.12

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Solution

The fourth proportional to 14,862.72, 20,512.40 and 8,575.12 is: 11,834.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,862.72 : 20,512.40 = 8,575.12 : x
  2. Step 2: Convert to fraction form
    14,862.72/20,512.40 = 8,575.12/x
  3. Step 3: Cross multiply
    14,862.72x = 20,512.40 × 8,575.12
  4. Step 4: Simplify right side
    14,862.72x = 175,896,291.49
  5. Step 5: Solve for x
    x = 175,896,291.49/14,862.72
  6. Step 6: Final answer
    x = 11,834.73

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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.