Home / 25,575.98-35,304.45-18,915.22

Finding the Fourth Proportional to 25,575.98, 35,304.45 and 18,915.22

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Solution

The fourth proportional to 25,575.98, 35,304.45 and 18,915.22 is: 26,110.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,575.98 : 35,304.45 = 18,915.22 : x
  2. Step 2: Convert to fraction form
    25,575.98/35,304.45 = 18,915.22/x
  3. Step 3: Cross multiply
    25,575.98x = 35,304.45 × 18,915.22
  4. Step 4: Simplify right side
    25,575.98x = 667,791,262.21
  5. Step 5: Solve for x
    x = 667,791,262.21/25,575.98
  6. Step 6: Final answer
    x = 26,110.09

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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.