Home / 13,306.20-18,363-7,338.24

Finding the Fourth Proportional to 13,306.20, 18,363 and 7,338.24

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Solution

The fourth proportional to 13,306.20, 18,363 and 7,338.24 is: 10,127.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,306.20 : 18,363 = 7,338.24 : x
  2. Step 2: Convert to fraction form
    13,306.20/18,363 = 7,338.24/x
  3. Step 3: Cross multiply
    13,306.20x = 18,363 × 7,338.24
  4. Step 4: Simplify right side
    13,306.20x = 134,752,101.12
  5. Step 5: Solve for x
    x = 134,752,101.12/13,306.20
  6. Step 6: Final answer
    x = 10,127.02

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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.