Home / 22,154.46-30,572.40-13,197.33

Finding the Fourth Proportional to 22,154.46, 30,572.40 and 13,197.33

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Solution

The fourth proportional to 22,154.46, 30,572.40 and 13,197.33 is: 18,211.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,154.46 : 30,572.40 = 13,197.33 : x
  2. Step 2: Convert to fraction form
    22,154.46/30,572.40 = 13,197.33/x
  3. Step 3: Cross multiply
    22,154.46x = 30,572.40 × 13,197.33
  4. Step 4: Simplify right side
    22,154.46x = 403,474,051.69
  5. Step 5: Solve for x
    x = 403,474,051.69/22,154.46
  6. Step 6: Final answer
    x = 18,211.87

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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.