Home / 22,063.12-30,454.20-14,126.72

Finding the Fourth Proportional to 22,063.12, 30,454.20 and 14,126.72

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Solution

The fourth proportional to 22,063.12, 30,454.20 and 14,126.72 is: 19,499.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,063.12 : 30,454.20 = 14,126.72 : x
  2. Step 2: Convert to fraction form
    22,063.12/30,454.20 = 14,126.72/x
  3. Step 3: Cross multiply
    22,063.12x = 30,454.20 × 14,126.72
  4. Step 4: Simplify right side
    22,063.12x = 430,217,956.22
  5. Step 5: Solve for x
    x = 430,217,956.22/22,063.12
  6. Step 6: Final answer
    x = 19,499.42

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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.