Home / 18,404.41-27,587.44-8,535.55

Finding the Fourth Proportional to 18,404.41, 27,587.44 and 8,535.55

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Solution

The fourth proportional to 18,404.41, 27,587.44 and 8,535.55 is: 12,794.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,404.41 : 27,587.44 = 8,535.55 : x
  2. Step 2: Convert to fraction form
    18,404.41/27,587.44 = 8,535.55/x
  3. Step 3: Cross multiply
    18,404.41x = 27,587.44 × 8,535.55
  4. Step 4: Simplify right side
    18,404.41x = 235,473,973.49
  5. Step 5: Solve for x
    x = 235,473,973.49/18,404.41
  6. Step 6: Final answer
    x = 12,794.43

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Double scale
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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.