Home / 18,207.03-25,062.51-15,697.44

Finding the Fourth Proportional to 18,207.03, 25,062.51 and 15,697.44

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Solution

The fourth proportional to 18,207.03, 25,062.51 and 15,697.44 is: 21,607.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,207.03 : 25,062.51 = 15,697.44 : x
  2. Step 2: Convert to fraction form
    18,207.03/25,062.51 = 15,697.44/x
  3. Step 3: Cross multiply
    18,207.03x = 25,062.51 × 15,697.44
  4. Step 4: Simplify right side
    18,207.03x = 393,417,246.97
  5. Step 5: Solve for x
    x = 393,417,246.97/18,207.03
  6. Step 6: Final answer
    x = 21,607.99

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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.