Home / 15,255.32-22,865.40-5,891.21

Finding the Fourth Proportional to 15,255.32, 22,865.40 and 5,891.21

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Solution

The fourth proportional to 15,255.32, 22,865.40 and 5,891.21 is: 8,830.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,255.32 : 22,865.40 = 5,891.21 : x
  2. Step 2: Convert to fraction form
    15,255.32/22,865.40 = 5,891.21/x
  3. Step 3: Cross multiply
    15,255.32x = 22,865.40 × 5,891.21
  4. Step 4: Simplify right side
    15,255.32x = 134,704,758.81
  5. Step 5: Solve for x
    x = 134,704,758.81/15,255.32
  6. Step 6: Final answer
    x = 8,830.02

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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.