Home / 36,659.25-54,988.88-13,285.69

Finding the Fourth Proportional to 36,659.25, 54,988.88 and 13,285.69

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Solution

The fourth proportional to 36,659.25, 54,988.88 and 13,285.69 is: 19,928.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,659.25 : 54,988.88 = 13,285.69 : x
  2. Step 2: Convert to fraction form
    36,659.25/54,988.88 = 13,285.69/x
  3. Step 3: Cross multiply
    36,659.25x = 54,988.88 × 13,285.69
  4. Step 4: Simplify right side
    36,659.25x = 730,565,009.23
  5. Step 5: Solve for x
    x = 730,565,009.23/36,659.25
  6. Step 6: Final answer
    x = 19,928.53

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Similar ratio
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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.