Home / 16,478.16-24,733.68-7,719.36

Finding the Fourth Proportional to 16,478.16, 24,733.68 and 7,719.36

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Solution

The fourth proportional to 16,478.16, 24,733.68 and 7,719.36 is: 11,586.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,478.16 : 24,733.68 = 7,719.36 : x
  2. Step 2: Convert to fraction form
    16,478.16/24,733.68 = 7,719.36/x
  3. Step 3: Cross multiply
    16,478.16x = 24,733.68 × 7,719.36
  4. Step 4: Simplify right side
    16,478.16x = 190,928,180.04
  5. Step 5: Solve for x
    x = 190,928,180.04/16,478.16
  6. Step 6: Final answer
    x = 11,586.74

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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.