Home / 18,526.47-25,512.62-16,102.75

Finding the Fourth Proportional to 18,526.47, 25,512.62 and 16,102.75

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Solution

The fourth proportional to 18,526.47, 25,512.62 and 16,102.75 is: 22,174.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,526.47 : 25,512.62 = 16,102.75 : x
  2. Step 2: Convert to fraction form
    18,526.47/25,512.62 = 16,102.75/x
  3. Step 3: Cross multiply
    18,526.47x = 25,512.62 × 16,102.75
  4. Step 4: Simplify right side
    18,526.47x = 410,823,335.82
  5. Step 5: Solve for x
    x = 410,823,335.82/18,526.47
  6. Step 6: Final answer
    x = 22,174.94

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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.