Home / 15,149.39-22,725.30-5,288.45

Finding the Fourth Proportional to 15,149.39, 22,725.30 and 5,288.45

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Solution

The fourth proportional to 15,149.39, 22,725.30 and 5,288.45 is: 7,933.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,149.39 : 22,725.30 = 5,288.45 : x
  2. Step 2: Convert to fraction form
    15,149.39/22,725.30 = 5,288.45/x
  3. Step 3: Cross multiply
    15,149.39x = 22,725.30 × 5,288.45
  4. Step 4: Simplify right side
    15,149.39x = 120,181,499.16
  5. Step 5: Solve for x
    x = 120,181,499.16/15,149.39
  6. Step 6: Final answer
    x = 7,933.09

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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.