Home / 23,540.14-32,490.81-15,142.06

Finding the Fourth Proportional to 23,540.14, 32,490.81 and 15,142.06

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Solution

The fourth proportional to 23,540.14, 32,490.81 and 15,142.06 is: 20,899.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,540.14 : 32,490.81 = 15,142.06 : x
  2. Step 2: Convert to fraction form
    23,540.14/32,490.81 = 15,142.06/x
  3. Step 3: Cross multiply
    23,540.14x = 32,490.81 × 15,142.06
  4. Step 4: Simplify right side
    23,540.14x = 491,977,794.47
  5. Step 5: Solve for x
    x = 491,977,794.47/23,540.14
  6. Step 6: Final answer
    x = 20,899.53

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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.