Home / 26,102.20-39,159.98-8,572.16

Finding the Fourth Proportional to 26,102.20, 39,159.98 and 8,572.16

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Solution

The fourth proportional to 26,102.20, 39,159.98 and 8,572.16 is: 12,860.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,102.20 : 39,159.98 = 8,572.16 : x
  2. Step 2: Convert to fraction form
    26,102.20/39,159.98 = 8,572.16/x
  3. Step 3: Cross multiply
    26,102.20x = 39,159.98 × 8,572.16
  4. Step 4: Simplify right side
    26,102.20x = 335,685,614.16
  5. Step 5: Solve for x
    x = 335,685,614.16/26,102.20
  6. Step 6: Final answer
    x = 12,860.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.