Home / 14,700.85-20,288.92-8,732.55

Finding the Fourth Proportional to 14,700.85, 20,288.92 and 8,732.55

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Solution

The fourth proportional to 14,700.85, 20,288.92 and 8,732.55 is: 12,051.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,700.85 : 20,288.92 = 8,732.55 : x
  2. Step 2: Convert to fraction form
    14,700.85/20,288.92 = 8,732.55/x
  3. Step 3: Cross multiply
    14,700.85x = 20,288.92 × 8,732.55
  4. Step 4: Simplify right side
    14,700.85x = 177,174,008.35
  5. Step 5: Solve for x
    x = 177,174,008.35/14,700.85
  6. Step 6: Final answer
    x = 12,051.96

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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.