Home / 15,046.03-20,763.51-8,331.65

Finding the Fourth Proportional to 15,046.03, 20,763.51 and 8,331.65

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Solution

The fourth proportional to 15,046.03, 20,763.51 and 8,331.65 is: 11,497.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,046.03 : 20,763.51 = 8,331.65 : x
  2. Step 2: Convert to fraction form
    15,046.03/20,763.51 = 8,331.65/x
  3. Step 3: Cross multiply
    15,046.03x = 20,763.51 × 8,331.65
  4. Step 4: Simplify right side
    15,046.03x = 172,994,357.69
  5. Step 5: Solve for x
    x = 172,994,357.69/15,046.03
  6. Step 6: Final answer
    x = 11,497.68

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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.