Home / 22,280.68-30,747.34-12,071.73

Finding the Fourth Proportional to 22,280.68, 30,747.34 and 12,071.73

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Solution

The fourth proportional to 22,280.68, 30,747.34 and 12,071.73 is: 16,658.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,280.68 : 30,747.34 = 12,071.73 : x
  2. Step 2: Convert to fraction form
    22,280.68/30,747.34 = 12,071.73/x
  3. Step 3: Cross multiply
    22,280.68x = 30,747.34 × 12,071.73
  4. Step 4: Simplify right side
    22,280.68x = 371,173,423.71
  5. Step 5: Solve for x
    x = 371,173,423.71/22,280.68
  6. Step 6: Final answer
    x = 16,658.98

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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.