Home / 22,148.75-30,565.85-12,077.61

Finding the Fourth Proportional to 22,148.75, 30,565.85 and 12,077.61

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Solution

The fourth proportional to 22,148.75, 30,565.85 and 12,077.61 is: 16,667.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,148.75 : 30,565.85 = 12,077.61 : x
  2. Step 2: Convert to fraction form
    22,148.75/30,565.85 = 12,077.61/x
  3. Step 3: Cross multiply
    22,148.75x = 30,565.85 × 12,077.61
  4. Step 4: Simplify right side
    22,148.75x = 369,162,355.23
  5. Step 5: Solve for x
    x = 369,162,355.23/22,148.75
  6. Step 6: Final answer
    x = 16,667.42

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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.