Home / 23,240.21-32,071.40-13,170.57

Finding the Fourth Proportional to 23,240.21, 32,071.40 and 13,170.57

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Solution

The fourth proportional to 23,240.21, 32,071.40 and 13,170.57 is: 18,175.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,240.21 : 32,071.40 = 13,170.57 : x
  2. Step 2: Convert to fraction form
    23,240.21/32,071.40 = 13,170.57/x
  3. Step 3: Cross multiply
    23,240.21x = 32,071.40 × 13,170.57
  4. Step 4: Simplify right side
    23,240.21x = 422,398,618.70
  5. Step 5: Solve for x
    x = 422,398,618.70/23,240.21
  6. Step 6: Final answer
    x = 18,175.34

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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.