Home / 15,851.57-23,781.87-4,758.62

Finding the Fourth Proportional to 15,851.57, 23,781.87 and 4,758.62

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Solution

The fourth proportional to 15,851.57, 23,781.87 and 4,758.62 is: 7,139.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,851.57 : 23,781.87 = 4,758.62 : x
  2. Step 2: Convert to fraction form
    15,851.57/23,781.87 = 4,758.62/x
  3. Step 3: Cross multiply
    15,851.57x = 23,781.87 × 4,758.62
  4. Step 4: Simplify right side
    15,851.57x = 113,168,763.31
  5. Step 5: Solve for x
    x = 113,168,763.31/15,851.57
  6. Step 6: Final answer
    x = 7,139.28

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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.