Home / 26,755.32-40,132.08-12,722.16

Finding the Fourth Proportional to 26,755.32, 40,132.08 and 12,722.16

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Solution

The fourth proportional to 26,755.32, 40,132.08 and 12,722.16 is: 19,082.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,755.32 : 40,132.08 = 12,722.16 : x
  2. Step 2: Convert to fraction form
    26,755.32/40,132.08 = 12,722.16/x
  3. Step 3: Cross multiply
    26,755.32x = 40,132.08 × 12,722.16
  4. Step 4: Simplify right side
    26,755.32x = 510,566,742.89
  5. Step 5: Solve for x
    x = 510,566,742.89/26,755.32
  6. Step 6: Final answer
    x = 19,082.81

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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.