Home / 10,281.54-15,332.12-10,188.04

Finding the Fourth Proportional to 10,281.54, 15,332.12 and 10,188.04

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Solution

The fourth proportional to 10,281.54, 15,332.12 and 10,188.04 is: 15,192.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,281.54 : 15,332.12 = 10,188.04 : x
  2. Step 2: Convert to fraction form
    10,281.54/15,332.12 = 10,188.04/x
  3. Step 3: Cross multiply
    10,281.54x = 15,332.12 × 10,188.04
  4. Step 4: Simplify right side
    10,281.54x = 156,204,251.84
  5. Step 5: Solve for x
    x = 156,204,251.84/10,281.54
  6. Step 6: Final answer
    x = 15,192.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.