Home / 25,722.59-38,586.99-9,079.21

Finding the Fourth Proportional to 25,722.59, 38,586.99 and 9,079.21

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Solution

The fourth proportional to 25,722.59, 38,586.99 and 9,079.21 is: 13,619.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,722.59 : 38,586.99 = 9,079.21 : x
  2. Step 2: Convert to fraction form
    25,722.59/38,586.99 = 9,079.21/x
  3. Step 3: Cross multiply
    25,722.59x = 38,586.99 × 9,079.21
  4. Step 4: Simplify right side
    25,722.59x = 350,339,385.48
  5. Step 5: Solve for x
    x = 350,339,385.48/25,722.59
  6. Step 6: Final answer
    x = 13,619.91

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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.