Home / 26,780.17-36,952.45-15,450.10

Finding the Fourth Proportional to 26,780.17, 36,952.45 and 15,450.10

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Solution

The fourth proportional to 26,780.17, 36,952.45 and 15,450.10 is: 21,318.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,780.17 : 36,952.45 = 15,450.10 : x
  2. Step 2: Convert to fraction form
    26,780.17/36,952.45 = 15,450.10/x
  3. Step 3: Cross multiply
    26,780.17x = 36,952.45 × 15,450.10
  4. Step 4: Simplify right side
    26,780.17x = 570,919,047.75
  5. Step 5: Solve for x
    x = 570,919,047.75/26,780.17
  6. Step 6: Final answer
    x = 21,318.72

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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.