Home / 15,079.07-20,795.49-9,414.33

Finding the Fourth Proportional to 15,079.07, 20,795.49 and 9,414.33

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Solution

The fourth proportional to 15,079.07, 20,795.49 and 9,414.33 is: 12,983.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,079.07 : 20,795.49 = 9,414.33 : x
  2. Step 2: Convert to fraction form
    15,079.07/20,795.49 = 9,414.33/x
  3. Step 3: Cross multiply
    15,079.07x = 20,795.49 × 9,414.33
  4. Step 4: Simplify right side
    15,079.07x = 195,775,617.89
  5. Step 5: Solve for x
    x = 195,775,617.89/15,079.07
  6. Step 6: Final answer
    x = 12,983.27

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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.