Home / 14,549.55-20,081.01-8,580.87

Finding the Fourth Proportional to 14,549.55, 20,081.01 and 8,580.87

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Solution

The fourth proportional to 14,549.55, 20,081.01 and 8,580.87 is: 11,843.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,549.55 : 20,081.01 = 8,580.87 : x
  2. Step 2: Convert to fraction form
    14,549.55/20,081.01 = 8,580.87/x
  3. Step 3: Cross multiply
    14,549.55x = 20,081.01 × 8,580.87
  4. Step 4: Simplify right side
    14,549.55x = 172,312,536.28
  5. Step 5: Solve for x
    x = 172,312,536.28/14,549.55
  6. Step 6: Final answer
    x = 11,843.15

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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.