Home / 15,021.33-22,531.19-5,159.58

Finding the Fourth Proportional to 15,021.33, 22,531.19 and 5,159.58

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Solution

The fourth proportional to 15,021.33, 22,531.19 and 5,159.58 is: 7,739.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,021.33 : 22,531.19 = 5,159.58 : x
  2. Step 2: Convert to fraction form
    15,021.33/22,531.19 = 5,159.58/x
  3. Step 3: Cross multiply
    15,021.33x = 22,531.19 × 5,159.58
  4. Step 4: Simplify right side
    15,021.33x = 116,251,451.50
  5. Step 5: Solve for x
    x = 116,251,451.50/15,021.33
  6. Step 6: Final answer
    x = 7,739.09

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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.