Home / 34,385.43-47,451.85-19,278.09

Finding the Fourth Proportional to 34,385.43, 47,451.85 and 19,278.09

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Solution

The fourth proportional to 34,385.43, 47,451.85 and 19,278.09 is: 26,603.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,385.43 : 47,451.85 = 19,278.09 : x
  2. Step 2: Convert to fraction form
    34,385.43/47,451.85 = 19,278.09/x
  3. Step 3: Cross multiply
    34,385.43x = 47,451.85 × 19,278.09
  4. Step 4: Simplify right side
    34,385.43x = 914,780,938.58
  5. Step 5: Solve for x
    x = 914,780,938.58/34,385.43
  6. Step 6: Final answer
    x = 26,603.74

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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.