Home / 18,753.93-28,131.30-5,606.82

Finding the Fourth Proportional to 18,753.93, 28,131.30 and 5,606.82

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Solution

The fourth proportional to 18,753.93, 28,131.30 and 5,606.82 is: 8,410.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,753.93 : 28,131.30 = 5,606.82 : x
  2. Step 2: Convert to fraction form
    18,753.93/28,131.30 = 5,606.82/x
  3. Step 3: Cross multiply
    18,753.93x = 28,131.30 × 5,606.82
  4. Step 4: Simplify right side
    18,753.93x = 157,727,135.47
  5. Step 5: Solve for x
    x = 157,727,135.47/18,753.93
  6. Step 6: Final answer
    x = 8,410.35

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1.5x scale

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.