Home / 22,149.37-30,565.11-12,077.02

Finding the Fourth Proportional to 22,149.37, 30,565.11 and 12,077.02

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Solution

The fourth proportional to 22,149.37, 30,565.11 and 12,077.02 is: 16,665.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,149.37 : 30,565.11 = 12,077.02 : x
  2. Step 2: Convert to fraction form
    22,149.37/30,565.11 = 12,077.02/x
  3. Step 3: Cross multiply
    22,149.37x = 30,565.11 × 12,077.02
  4. Step 4: Simplify right side
    22,149.37x = 369,135,444.77
  5. Step 5: Solve for x
    x = 369,135,444.77/22,149.37
  6. Step 6: Final answer
    x = 16,665.73

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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.