Home / 15,178.64-22,769.56-4,789.04

Finding the Fourth Proportional to 15,178.64, 22,769.56 and 4,789.04

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Solution

The fourth proportional to 15,178.64, 22,769.56 and 4,789.04 is: 7,184.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,178.64 : 22,769.56 = 4,789.04 : x
  2. Step 2: Convert to fraction form
    15,178.64/22,769.56 = 4,789.04/x
  3. Step 3: Cross multiply
    15,178.64x = 22,769.56 × 4,789.04
  4. Step 4: Simplify right side
    15,178.64x = 109,044,333.62
  5. Step 5: Solve for x
    x = 109,044,333.62/15,178.64
  6. Step 6: Final answer
    x = 7,184.06

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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.