Home / 36,486.25-54,718.81-12,468.13

Finding the Fourth Proportional to 36,486.25, 54,718.81 and 12,468.13

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Solution

The fourth proportional to 36,486.25, 54,718.81 and 12,468.13 is: 18,698.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,486.25 : 54,718.81 = 12,468.13 : x
  2. Step 2: Convert to fraction form
    36,486.25/54,718.81 = 12,468.13/x
  3. Step 3: Cross multiply
    36,486.25x = 54,718.81 × 12,468.13
  4. Step 4: Simplify right side
    36,486.25x = 682,241,068.56
  5. Step 5: Solve for x
    x = 682,241,068.56/36,486.25
  6. Step 6: Final answer
    x = 18,698.58

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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.