Home / 18,851.32-28,274.82-5,700.52

Finding the Fourth Proportional to 18,851.32, 28,274.82 and 5,700.52

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Solution

The fourth proportional to 18,851.32, 28,274.82 and 5,700.52 is: 8,550.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,851.32 : 28,274.82 = 5,700.52 : x
  2. Step 2: Convert to fraction form
    18,851.32/28,274.82 = 5,700.52/x
  3. Step 3: Cross multiply
    18,851.32x = 28,274.82 × 5,700.52
  4. Step 4: Simplify right side
    18,851.32x = 161,181,176.91
  5. Step 5: Solve for x
    x = 161,181,176.91/18,851.32
  6. Step 6: Final answer
    x = 8,550.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.