Home / 26,474.40-36,525.60-15,145.20

Finding the Fourth Proportional to 26,474.40, 36,525.60 and 15,145.20

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Solution

The fourth proportional to 26,474.40, 36,525.60 and 15,145.20 is: 20,895.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,474.40 : 36,525.60 = 15,145.20 : x
  2. Step 2: Convert to fraction form
    26,474.40/36,525.60 = 15,145.20/x
  3. Step 3: Cross multiply
    26,474.40x = 36,525.60 × 15,145.20
  4. Step 4: Simplify right side
    26,474.40x = 553,187,517.12
  5. Step 5: Solve for x
    x = 553,187,517.12/26,474.40
  6. Step 6: Final answer
    x = 20,895.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.