Home / 15,299.90-22,949.88-5,439.16

Finding the Fourth Proportional to 15,299.90, 22,949.88 and 5,439.16

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Solution

The fourth proportional to 15,299.90, 22,949.88 and 5,439.16 is: 8,158.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,299.90 : 22,949.88 = 5,439.16 : x
  2. Step 2: Convert to fraction form
    15,299.90/22,949.88 = 5,439.16/x
  3. Step 3: Cross multiply
    15,299.90x = 22,949.88 × 5,439.16
  4. Step 4: Simplify right side
    15,299.90x = 124,828,069.30
  5. Step 5: Solve for x
    x = 124,828,069.30/15,299.90
  6. Step 6: Final answer
    x = 8,158.75

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1.5x scale

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.