Home / 13,246.46-19,871.54-4,479.02

Finding the Fourth Proportional to 13,246.46, 19,871.54 and 4,479.02

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Solution

The fourth proportional to 13,246.46, 19,871.54 and 4,479.02 is: 6,719.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,246.46 : 19,871.54 = 4,479.02 : x
  2. Step 2: Convert to fraction form
    13,246.46/19,871.54 = 4,479.02/x
  3. Step 3: Cross multiply
    13,246.46x = 19,871.54 × 4,479.02
  4. Step 4: Simplify right side
    13,246.46x = 89,005,002.70
  5. Step 5: Solve for x
    x = 89,005,002.70/13,246.46
  6. Step 6: Final answer
    x = 6,719.15

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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.