Home / 17,378.10-23,983.29-14,540.47

Finding the Fourth Proportional to 17,378.10, 23,983.29 and 14,540.47

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Solution

The fourth proportional to 17,378.10, 23,983.29 and 14,540.47 is: 20,067.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,378.10 : 23,983.29 = 14,540.47 : x
  2. Step 2: Convert to fraction form
    17,378.10/23,983.29 = 14,540.47/x
  3. Step 3: Cross multiply
    17,378.10x = 23,983.29 × 14,540.47
  4. Step 4: Simplify right side
    17,378.10x = 348,728,248.79
  5. Step 5: Solve for x
    x = 348,728,248.79/17,378.10
  6. Step 6: Final answer
    x = 20,067.11

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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.