Home / 22,225.72-30,658.16-14,672.20

Finding the Fourth Proportional to 22,225.72, 30,658.16 and 14,672.20

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Solution

The fourth proportional to 22,225.72, 30,658.16 and 14,672.20 is: 20,238.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,225.72 : 30,658.16 = 14,672.20 : x
  2. Step 2: Convert to fraction form
    22,225.72/30,658.16 = 14,672.20/x
  3. Step 3: Cross multiply
    22,225.72x = 30,658.16 × 14,672.20
  4. Step 4: Simplify right side
    22,225.72x = 449,822,655.15
  5. Step 5: Solve for x
    x = 449,822,655.15/22,225.72
  6. Step 6: Final answer
    x = 20,238.83

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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.