Home / 13,599.38-18,765.73-7,932.62

Finding the Fourth Proportional to 13,599.38, 18,765.73 and 7,932.62

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Solution

The fourth proportional to 13,599.38, 18,765.73 and 7,932.62 is: 10,946.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,599.38 : 18,765.73 = 7,932.62 : x
  2. Step 2: Convert to fraction form
    13,599.38/18,765.73 = 7,932.62/x
  3. Step 3: Cross multiply
    13,599.38x = 18,765.73 × 7,932.62
  4. Step 4: Simplify right side
    13,599.38x = 148,861,405.11
  5. Step 5: Solve for x
    x = 148,861,405.11/13,599.38
  6. Step 6: Final answer
    x = 10,946.19

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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.