Home / 14,548.38-20,079.04-8,580.70

Finding the Fourth Proportional to 14,548.38, 20,079.04 and 8,580.70

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Solution

The fourth proportional to 14,548.38, 20,079.04 and 8,580.70 is: 11,842.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,548.38 : 20,079.04 = 8,580.70 : x
  2. Step 2: Convert to fraction form
    14,548.38/20,079.04 = 8,580.70/x
  3. Step 3: Cross multiply
    14,548.38x = 20,079.04 × 8,580.70
  4. Step 4: Simplify right side
    14,548.38x = 172,292,254.35
  5. Step 5: Solve for x
    x = 172,292,254.35/14,548.38
  6. Step 6: Final answer
    x = 11,842.71

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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.