Home / 26,644.18-36,770.19-15,317.35

Finding the Fourth Proportional to 26,644.18, 36,770.19 and 15,317.35

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Solution

The fourth proportional to 26,644.18, 36,770.19 and 15,317.35 is: 21,138.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,644.18 : 36,770.19 = 15,317.35 : x
  2. Step 2: Convert to fraction form
    26,644.18/36,770.19 = 15,317.35/x
  3. Step 3: Cross multiply
    26,644.18x = 36,770.19 × 15,317.35
  4. Step 4: Simplify right side
    26,644.18x = 563,221,869.80
  5. Step 5: Solve for x
    x = 563,221,869.80/26,644.18
  6. Step 6: Final answer
    x = 21,138.65

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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.