Home / 15,144.47-22,710.22-5,280.83

Finding the Fourth Proportional to 15,144.47, 22,710.22 and 5,280.83

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Solution

The fourth proportional to 15,144.47, 22,710.22 and 5,280.83 is: 7,918.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,144.47 : 22,710.22 = 5,280.83 : x
  2. Step 2: Convert to fraction form
    15,144.47/22,710.22 = 5,280.83/x
  3. Step 3: Cross multiply
    15,144.47x = 22,710.22 × 5,280.83
  4. Step 4: Simplify right side
    15,144.47x = 119,928,811.08
  5. Step 5: Solve for x
    x = 119,928,811.08/15,144.47
  6. Step 6: Final answer
    x = 7,918.98

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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.