Home / 26,159.18-39,238.41-6,437.90

Finding the Fourth Proportional to 26,159.18, 39,238.41 and 6,437.90

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Solution

The fourth proportional to 26,159.18, 39,238.41 and 6,437.90 is: 9,656.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,159.18 : 39,238.41 = 6,437.90 : x
  2. Step 2: Convert to fraction form
    26,159.18/39,238.41 = 6,437.90/x
  3. Step 3: Cross multiply
    26,159.18x = 39,238.41 × 6,437.90
  4. Step 4: Simplify right side
    26,159.18x = 252,612,763.55
  5. Step 5: Solve for x
    x = 252,612,763.55/26,159.18
  6. Step 6: Final answer
    x = 9,656.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.