Home / 26,134.20-39,143.70-22,678.20

Finding the Fourth Proportional to 26,134.20, 39,143.70 and 22,678.20

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Solution

The fourth proportional to 26,134.20, 39,143.70 and 22,678.20 is: 33,967.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,134.20 : 39,143.70 = 22,678.20 : x
  2. Step 2: Convert to fraction form
    26,134.20/39,143.70 = 22,678.20/x
  3. Step 3: Cross multiply
    26,134.20x = 39,143.70 × 22,678.20
  4. Step 4: Simplify right side
    26,134.20x = 887,708,657.34
  5. Step 5: Solve for x
    x = 887,708,657.34/26,134.20
  6. Step 6: Final answer
    x = 33,967.32

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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.