Home / 25,400.89-38,098.91-8,758.63

Finding the Fourth Proportional to 25,400.89, 38,098.91 and 8,758.63

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Solution

The fourth proportional to 25,400.89, 38,098.91 and 8,758.63 is: 13,137.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,400.89 : 38,098.91 = 8,758.63 : x
  2. Step 2: Convert to fraction form
    25,400.89/38,098.91 = 8,758.63/x
  3. Step 3: Cross multiply
    25,400.89x = 38,098.91 × 8,758.63
  4. Step 4: Simplify right side
    25,400.89x = 333,694,276.35
  5. Step 5: Solve for x
    x = 333,694,276.35/25,400.89
  6. Step 6: Final answer
    x = 13,137.11

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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.