Home / 13,568.38-18,724.30-7,599.89

Finding the Fourth Proportional to 13,568.38, 18,724.30 and 7,599.89

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Solution

The fourth proportional to 13,568.38, 18,724.30 and 7,599.89 is: 10,487.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,568.38 : 18,724.30 = 7,599.89 : x
  2. Step 2: Convert to fraction form
    13,568.38/18,724.30 = 7,599.89/x
  3. Step 3: Cross multiply
    13,568.38x = 18,724.30 × 7,599.89
  4. Step 4: Simplify right side
    13,568.38x = 142,302,648.14
  5. Step 5: Solve for x
    x = 142,302,648.14/13,568.38
  6. Step 6: Final answer
    x = 10,487.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.