Home / 15,132.88-22,702.96-4,744.62

Finding the Fourth Proportional to 15,132.88, 22,702.96 and 4,744.62

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Solution

The fourth proportional to 15,132.88, 22,702.96 and 4,744.62 is: 7,118.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,132.88 : 22,702.96 = 4,744.62 : x
  2. Step 2: Convert to fraction form
    15,132.88/22,702.96 = 4,744.62/x
  3. Step 3: Cross multiply
    15,132.88x = 22,702.96 × 4,744.62
  4. Step 4: Simplify right side
    15,132.88x = 107,716,918.08
  5. Step 5: Solve for x
    x = 107,716,918.08/15,132.88
  6. Step 6: Final answer
    x = 7,118.07

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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.