Home / 17,418.28-26,255.96-16,402.20

Finding the Fourth Proportional to 17,418.28, 26,255.96 and 16,402.20

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Solution

The fourth proportional to 17,418.28, 26,255.96 and 16,402.20 is: 24,724.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,418.28 : 26,255.96 = 16,402.20 : x
  2. Step 2: Convert to fraction form
    17,418.28/26,255.96 = 16,402.20/x
  3. Step 3: Cross multiply
    17,418.28x = 26,255.96 × 16,402.20
  4. Step 4: Simplify right side
    17,418.28x = 430,655,507.11
  5. Step 5: Solve for x
    x = 430,655,507.11/17,418.28
  6. Step 6: Final answer
    x = 24,724.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.