Home / 25,832.88-35,641.52-15,218.64

Finding the Fourth Proportional to 25,832.88, 35,641.52 and 15,218.64

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Solution

The fourth proportional to 25,832.88, 35,641.52 and 15,218.64 is: 20,997.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,832.88 : 35,641.52 = 15,218.64 : x
  2. Step 2: Convert to fraction form
    25,832.88/35,641.52 = 15,218.64/x
  3. Step 3: Cross multiply
    25,832.88x = 35,641.52 × 15,218.64
  4. Step 4: Simplify right side
    25,832.88x = 542,415,461.93
  5. Step 5: Solve for x
    x = 542,415,461.93/25,832.88
  6. Step 6: Final answer
    x = 20,997.10

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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.