Home / 10,414.96-15,585.18-9,719.80

Finding the Fourth Proportional to 10,414.96, 15,585.18 and 9,719.80

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Solution

The fourth proportional to 10,414.96, 15,585.18 and 9,719.80 is: 14,544.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,414.96 : 15,585.18 = 9,719.80 : x
  2. Step 2: Convert to fraction form
    10,414.96/15,585.18 = 9,719.80/x
  3. Step 3: Cross multiply
    10,414.96x = 15,585.18 × 9,719.80
  4. Step 4: Simplify right side
    10,414.96x = 151,484,832.56
  5. Step 5: Solve for x
    x = 151,484,832.56/10,414.96
  6. Step 6: Final answer
    x = 14,544.93

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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.