Home / 15,176.51-22,768.61-5,315.54

Finding the Fourth Proportional to 15,176.51, 22,768.61 and 5,315.54

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Solution

The fourth proportional to 15,176.51, 22,768.61 and 5,315.54 is: 7,974.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,176.51 : 22,768.61 = 5,315.54 : x
  2. Step 2: Convert to fraction form
    15,176.51/22,768.61 = 5,315.54/x
  3. Step 3: Cross multiply
    15,176.51x = 22,768.61 × 5,315.54
  4. Step 4: Simplify right side
    15,176.51x = 121,027,316.78
  5. Step 5: Solve for x
    x = 121,027,316.78/15,176.51
  6. Step 6: Final answer
    x = 7,974.65

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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.