Home / 13,149.32-19,724.13-7,599.30

Finding the Fourth Proportional to 13,149.32, 19,724.13 and 7,599.30

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Solution

The fourth proportional to 13,149.32, 19,724.13 and 7,599.30 is: 11,399.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,149.32 : 19,724.13 = 7,599.30 : x
  2. Step 2: Convert to fraction form
    13,149.32/19,724.13 = 7,599.30/x
  3. Step 3: Cross multiply
    13,149.32x = 19,724.13 × 7,599.30
  4. Step 4: Simplify right side
    13,149.32x = 149,889,581.11
  5. Step 5: Solve for x
    x = 149,889,581.11/13,149.32
  6. Step 6: Final answer
    x = 11,399.04

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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.