Home / 15,966.24-22,033.26-8,892.78

Finding the Fourth Proportional to 15,966.24, 22,033.26 and 8,892.78

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Solution

The fourth proportional to 15,966.24, 22,033.26 and 8,892.78 is: 12,271.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,966.24 : 22,033.26 = 8,892.78 : x
  2. Step 2: Convert to fraction form
    15,966.24/22,033.26 = 8,892.78/x
  3. Step 3: Cross multiply
    15,966.24x = 22,033.26 × 8,892.78
  4. Step 4: Simplify right side
    15,966.24x = 195,936,933.86
  5. Step 5: Solve for x
    x = 195,936,933.86/15,966.24
  6. Step 6: Final answer
    x = 12,271.95

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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.