Home / 26,974.80-40,462.20-17,643.60

Finding the Fourth Proportional to 26,974.80, 40,462.20 and 17,643.60

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Solution

The fourth proportional to 26,974.80, 40,462.20 and 17,643.60 is: 26,465.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,974.80 : 40,462.20 = 17,643.60 : x
  2. Step 2: Convert to fraction form
    26,974.80/40,462.20 = 17,643.60/x
  3. Step 3: Cross multiply
    26,974.80x = 40,462.20 × 17,643.60
  4. Step 4: Simplify right side
    26,974.80x = 713,898,871.92
  5. Step 5: Solve for x
    x = 713,898,871.92/26,974.80
  6. Step 6: Final answer
    x = 26,465.40

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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.