Home / 36,082.88-54,131.04-12,724.16

Finding the Fourth Proportional to 36,082.88, 54,131.04 and 12,724.16

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Solution

The fourth proportional to 36,082.88, 54,131.04 and 12,724.16 is: 19,088.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,082.88 : 54,131.04 = 12,724.16 : x
  2. Step 2: Convert to fraction form
    36,082.88/54,131.04 = 12,724.16/x
  3. Step 3: Cross multiply
    36,082.88x = 54,131.04 × 12,724.16
  4. Step 4: Simplify right side
    36,082.88x = 688,772,013.93
  5. Step 5: Solve for x
    x = 688,772,013.93/36,082.88
  6. Step 6: Final answer
    x = 19,088.61

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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.