Home / 26,101.12-39,151.54-6,379.76

Finding the Fourth Proportional to 26,101.12, 39,151.54 and 6,379.76

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Solution

The fourth proportional to 26,101.12, 39,151.54 and 6,379.76 is: 9,569.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,101.12 : 39,151.54 = 6,379.76 : x
  2. Step 2: Convert to fraction form
    26,101.12/39,151.54 = 6,379.76/x
  3. Step 3: Cross multiply
    26,101.12x = 39,151.54 × 6,379.76
  4. Step 4: Simplify right side
    26,101.12x = 249,777,428.83
  5. Step 5: Solve for x
    x = 249,777,428.83/26,101.12
  6. Step 6: Final answer
    x = 9,569.61

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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.