Home / 25,240.88-34,832.64-15,814.96

Finding the Fourth Proportional to 25,240.88, 34,832.64 and 15,814.96

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Solution

The fourth proportional to 25,240.88, 34,832.64 and 15,814.96 is: 21,824.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,240.88 : 34,832.64 = 15,814.96 : x
  2. Step 2: Convert to fraction form
    25,240.88/34,832.64 = 15,814.96/x
  3. Step 3: Cross multiply
    25,240.88x = 34,832.64 × 15,814.96
  4. Step 4: Simplify right side
    25,240.88x = 550,876,808.29
  5. Step 5: Solve for x
    x = 550,876,808.29/25,240.88
  6. Step 6: Final answer
    x = 21,824.79

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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.