Home / 26,974.16-40,407.84-12,723.12

Finding the Fourth Proportional to 26,974.16, 40,407.84 and 12,723.12

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Solution

The fourth proportional to 26,974.16, 40,407.84 and 12,723.12 is: 19,059.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,974.16 : 40,407.84 = 12,723.12 : x
  2. Step 2: Convert to fraction form
    26,974.16/40,407.84 = 12,723.12/x
  3. Step 3: Cross multiply
    26,974.16x = 40,407.84 × 12,723.12
  4. Step 4: Simplify right side
    26,974.16x = 514,113,797.26
  5. Step 5: Solve for x
    x = 514,113,797.26/26,974.16
  6. Step 6: Final answer
    x = 19,059.49

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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.