Home / 26,353.90-36,398.61-19,215.70

Finding the Fourth Proportional to 26,353.90, 36,398.61 and 19,215.70

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Solution

The fourth proportional to 26,353.90, 36,398.61 and 19,215.70 is: 26,539.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,353.90 : 36,398.61 = 19,215.70 : x
  2. Step 2: Convert to fraction form
    26,353.90/36,398.61 = 19,215.70/x
  3. Step 3: Cross multiply
    26,353.90x = 36,398.61 × 19,215.70
  4. Step 4: Simplify right side
    26,353.90x = 699,424,770.18
  5. Step 5: Solve for x
    x = 699,424,770.18/26,353.90
  6. Step 6: Final answer
    x = 26,539.71

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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.