Home / 26,261.15-39,362.46-13,782.59

Finding the Fourth Proportional to 26,261.15, 39,362.46 and 13,782.59

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Solution

The fourth proportional to 26,261.15, 39,362.46 and 13,782.59 is: 20,658.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,261.15 : 39,362.46 = 13,782.59 : x
  2. Step 2: Convert to fraction form
    26,261.15/39,362.46 = 13,782.59/x
  3. Step 3: Cross multiply
    26,261.15x = 39,362.46 × 13,782.59
  4. Step 4: Simplify right side
    26,261.15x = 542,516,647.57
  5. Step 5: Solve for x
    x = 542,516,647.57/26,261.15
  6. Step 6: Final answer
    x = 20,658.53

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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.