Home / 18,701.28-25,777.44-17,651.52

Finding the Fourth Proportional to 18,701.28, 25,777.44 and 17,651.52

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Solution

The fourth proportional to 18,701.28, 25,777.44 and 17,651.52 is: 24,330.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,701.28 : 25,777.44 = 17,651.52 : x
  2. Step 2: Convert to fraction form
    18,701.28/25,777.44 = 17,651.52/x
  3. Step 3: Cross multiply
    18,701.28x = 25,777.44 × 17,651.52
  4. Step 4: Simplify right side
    18,701.28x = 455,010,997.71
  5. Step 5: Solve for x
    x = 455,010,997.71/18,701.28
  6. Step 6: Final answer
    x = 24,330.47

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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.