Home / 16,287.60-24,399.96-9,719.04

Finding the Fourth Proportional to 16,287.60, 24,399.96 and 9,719.04

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Solution

The fourth proportional to 16,287.60, 24,399.96 and 9,719.04 is: 14,559.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,287.60 : 24,399.96 = 9,719.04 : x
  2. Step 2: Convert to fraction form
    16,287.60/24,399.96 = 9,719.04/x
  3. Step 3: Cross multiply
    16,287.60x = 24,399.96 × 9,719.04
  4. Step 4: Simplify right side
    16,287.60x = 237,144,187.24
  5. Step 5: Solve for x
    x = 237,144,187.24/16,287.60
  6. Step 6: Final answer
    x = 14,559.80

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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.