Home / 15,780.46-23,674.38-4,687.24

Finding the Fourth Proportional to 15,780.46, 23,674.38 and 4,687.24

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Solution

The fourth proportional to 15,780.46, 23,674.38 and 4,687.24 is: 7,031.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,780.46 : 23,674.38 = 4,687.24 : x
  2. Step 2: Convert to fraction form
    15,780.46/23,674.38 = 4,687.24/x
  3. Step 3: Cross multiply
    15,780.46x = 23,674.38 × 4,687.24
  4. Step 4: Simplify right side
    15,780.46x = 110,967,500.91
  5. Step 5: Solve for x
    x = 110,967,500.91/15,780.46
  6. Step 6: Final answer
    x = 7,031.96

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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.