Home / 14,549.74-20,079.30-8,581.66

Finding the Fourth Proportional to 14,549.74, 20,079.30 and 8,581.66

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Solution

The fourth proportional to 14,549.74, 20,079.30 and 8,581.66 is: 11,843.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,549.74 : 20,079.30 = 8,581.66 : x
  2. Step 2: Convert to fraction form
    14,549.74/20,079.30 = 8,581.66/x
  3. Step 3: Cross multiply
    14,549.74x = 20,079.30 × 8,581.66
  4. Step 4: Simplify right side
    14,549.74x = 172,313,725.64
  5. Step 5: Solve for x
    x = 172,313,725.64/14,549.74
  6. Step 6: Final answer
    x = 11,843.08

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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.