Home / 15,281.30-22,937.40-7,891.04

Finding the Fourth Proportional to 15,281.30, 22,937.40 and 7,891.04

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Solution

The fourth proportional to 15,281.30, 22,937.40 and 7,891.04 is: 11,844.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,281.30 : 22,937.40 = 7,891.04 : x
  2. Step 2: Convert to fraction form
    15,281.30/22,937.40 = 7,891.04/x
  3. Step 3: Cross multiply
    15,281.30x = 22,937.40 × 7,891.04
  4. Step 4: Simplify right side
    15,281.30x = 180,999,826.21
  5. Step 5: Solve for x
    x = 180,999,826.21/15,281.30
  6. Step 6: Final answer
    x = 11,844.53

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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.