Home / 23,185.68-31,995.38-12,575.09

Finding the Fourth Proportional to 23,185.68, 31,995.38 and 12,575.09

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Solution

The fourth proportional to 23,185.68, 31,995.38 and 12,575.09 is: 17,353.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,185.68 : 31,995.38 = 12,575.09 : x
  2. Step 2: Convert to fraction form
    23,185.68/31,995.38 = 12,575.09/x
  3. Step 3: Cross multiply
    23,185.68x = 31,995.38 × 12,575.09
  4. Step 4: Simplify right side
    23,185.68x = 402,344,560.23
  5. Step 5: Solve for x
    x = 402,344,560.23/23,185.68
  6. Step 6: Final answer
    x = 17,353.15

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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.