Home / 15,178.67-22,754.14-5,312.57

Finding the Fourth Proportional to 15,178.67, 22,754.14 and 5,312.57

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Solution

The fourth proportional to 15,178.67, 22,754.14 and 5,312.57 is: 7,964.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,178.67 : 22,754.14 = 5,312.57 : x
  2. Step 2: Convert to fraction form
    15,178.67/22,754.14 = 5,312.57/x
  3. Step 3: Cross multiply
    15,178.67x = 22,754.14 × 5,312.57
  4. Step 4: Simplify right side
    15,178.67x = 120,882,961.54
  5. Step 5: Solve for x
    x = 120,882,961.54/15,178.67
  6. Step 6: Final answer
    x = 7,964.00

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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.