Home / 18,747.12-28,125.28-6,268.46

Finding the Fourth Proportional to 18,747.12, 28,125.28 and 6,268.46

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Solution

The fourth proportional to 18,747.12, 28,125.28 and 6,268.46 is: 9,404.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,747.12 : 28,125.28 = 6,268.46 : x
  2. Step 2: Convert to fraction form
    18,747.12/28,125.28 = 6,268.46/x
  3. Step 3: Cross multiply
    18,747.12x = 28,125.28 × 6,268.46
  4. Step 4: Simplify right side
    18,747.12x = 176,302,192.67
  5. Step 5: Solve for x
    x = 176,302,192.67/18,747.12
  6. Step 6: Final answer
    x = 9,404.23

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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.