Home / 15,023.04-20,732.76-8,651.76

Finding the Fourth Proportional to 15,023.04, 20,732.76 and 8,651.76

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Solution

The fourth proportional to 15,023.04, 20,732.76 and 8,651.76 is: 11,939.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,023.04 : 20,732.76 = 8,651.76 : x
  2. Step 2: Convert to fraction form
    15,023.04/20,732.76 = 8,651.76/x
  3. Step 3: Cross multiply
    15,023.04x = 20,732.76 × 8,651.76
  4. Step 4: Simplify right side
    15,023.04x = 179,374,863.66
  5. Step 5: Solve for x
    x = 179,374,863.66/15,023.04
  6. Step 6: Final answer
    x = 11,939.98

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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.