Home / 25,416.28-38,121.88-8,774.04

Finding the Fourth Proportional to 25,416.28, 38,121.88 and 8,774.04

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Solution

The fourth proportional to 25,416.28, 38,121.88 and 8,774.04 is: 13,160.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,416.28 : 38,121.88 = 8,774.04 : x
  2. Step 2: Convert to fraction form
    25,416.28/38,121.88 = 8,774.04/x
  3. Step 3: Cross multiply
    25,416.28x = 38,121.88 × 8,774.04
  4. Step 4: Simplify right side
    25,416.28x = 334,482,900.00
  5. Step 5: Solve for x
    x = 334,482,900.00/25,416.28
  6. Step 6: Final answer
    x = 13,160.18

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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.