Home / 36,278.19-54,384.42-12,899.16

Finding the Fourth Proportional to 36,278.19, 54,384.42 and 12,899.16

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Solution

The fourth proportional to 36,278.19, 54,384.42 and 12,899.16 is: 19,337.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,278.19 : 54,384.42 = 12,899.16 : x
  2. Step 2: Convert to fraction form
    36,278.19/54,384.42 = 12,899.16/x
  3. Step 3: Cross multiply
    36,278.19x = 54,384.42 × 12,899.16
  4. Step 4: Simplify right side
    36,278.19x = 701,513,335.09
  5. Step 5: Solve for x
    x = 701,513,335.09/36,278.19
  6. Step 6: Final answer
    x = 19,337.05

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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.