Home / 18,747.51-28,121.23-6,264.69

Finding the Fourth Proportional to 18,747.51, 28,121.23 and 6,264.69

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Solution

The fourth proportional to 18,747.51, 28,121.23 and 6,264.69 is: 9,397.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,747.51 : 28,121.23 = 6,264.69 : x
  2. Step 2: Convert to fraction form
    18,747.51/28,121.23 = 6,264.69/x
  3. Step 3: Cross multiply
    18,747.51x = 28,121.23 × 6,264.69
  4. Step 4: Simplify right side
    18,747.51x = 176,170,788.37
  5. Step 5: Solve for x
    x = 176,170,788.37/18,747.51
  6. Step 6: Final answer
    x = 9,397.02

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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.