Home / 25,833.47-35,649.72-15,222.87

Finding the Fourth Proportional to 25,833.47, 35,649.72 and 15,222.87

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Solution

The fourth proportional to 25,833.47, 35,649.72 and 15,222.87 is: 21,007.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,833.47 : 35,649.72 = 15,222.87 : x
  2. Step 2: Convert to fraction form
    25,833.47/35,649.72 = 15,222.87/x
  3. Step 3: Cross multiply
    25,833.47x = 35,649.72 × 15,222.87
  4. Step 4: Simplify right side
    25,833.47x = 542,691,053.10
  5. Step 5: Solve for x
    x = 542,691,053.10/25,833.47
  6. Step 6: Final answer
    x = 21,007.29

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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.