Home / 26,518.31-39,775.38-15,417.92

Finding the Fourth Proportional to 26,518.31, 39,775.38 and 15,417.92

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Solution

The fourth proportional to 26,518.31, 39,775.38 and 15,417.92 is: 23,125.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,518.31 : 39,775.38 = 15,417.92 : x
  2. Step 2: Convert to fraction form
    26,518.31/39,775.38 = 15,417.92/x
  3. Step 3: Cross multiply
    26,518.31x = 39,775.38 × 15,417.92
  4. Step 4: Simplify right side
    26,518.31x = 613,253,427.93
  5. Step 5: Solve for x
    x = 613,253,427.93/26,518.31
  6. Step 6: Final answer
    x = 23,125.66

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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.