Home / 22,149.24-30,565.38-12,077.70

Finding the Fourth Proportional to 22,149.24, 30,565.38 and 12,077.70

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Solution

The fourth proportional to 22,149.24, 30,565.38 and 12,077.70 is: 16,666.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,149.24 : 30,565.38 = 12,077.70 : x
  2. Step 2: Convert to fraction form
    22,149.24/30,565.38 = 12,077.70/x
  3. Step 3: Cross multiply
    22,149.24x = 30,565.38 × 12,077.70
  4. Step 4: Simplify right side
    22,149.24x = 369,159,490.03
  5. Step 5: Solve for x
    x = 369,159,490.03/22,149.24
  6. Step 6: Final answer
    x = 16,666.91

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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.