Home / 23,240.40-32,071.66-13,170.76

Finding the Fourth Proportional to 23,240.40, 32,071.66 and 13,170.76

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Solution

The fourth proportional to 23,240.40, 32,071.66 and 13,170.76 is: 18,175.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,240.40 : 32,071.66 = 13,170.76 : x
  2. Step 2: Convert to fraction form
    23,240.40/32,071.66 = 13,170.76/x
  3. Step 3: Cross multiply
    23,240.40x = 32,071.66 × 13,170.76
  4. Step 4: Simplify right side
    23,240.40x = 422,408,136.66
  5. Step 5: Solve for x
    x = 422,408,136.66/23,240.40
  6. Step 6: Final answer
    x = 18,175.60

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.