Home / 36,025.52-54,008.04-12,667.28

Finding the Fourth Proportional to 36,025.52, 54,008.04 and 12,667.28

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Solution

The fourth proportional to 36,025.52, 54,008.04 and 12,667.28 is: 18,990.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,025.52 : 54,008.04 = 12,667.28 : x
  2. Step 2: Convert to fraction form
    36,025.52/54,008.04 = 12,667.28/x
  3. Step 3: Cross multiply
    36,025.52x = 54,008.04 × 12,667.28
  4. Step 4: Simplify right side
    36,025.52x = 684,134,964.93
  5. Step 5: Solve for x
    x = 684,134,964.93/36,025.52
  6. Step 6: Final answer
    x = 18,990.29

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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.