Home / 15,192.42-22,780.13-5,327.84

Finding the Fourth Proportional to 15,192.42, 22,780.13 and 5,327.84

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Solution

The fourth proportional to 15,192.42, 22,780.13 and 5,327.84 is: 7,988.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,192.42 : 22,780.13 = 5,327.84 : x
  2. Step 2: Convert to fraction form
    15,192.42/22,780.13 = 5,327.84/x
  3. Step 3: Cross multiply
    15,192.42x = 22,780.13 × 5,327.84
  4. Step 4: Simplify right side
    15,192.42x = 121,368,747.28
  5. Step 5: Solve for x
    x = 121,368,747.28/15,192.42
  6. Step 6: Final answer
    x = 7,988.77

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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.