Home / 25,522.10-35,221.28-15,452.40

Finding the Fourth Proportional to 25,522.10, 35,221.28 and 15,452.40

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Solution

The fourth proportional to 25,522.10, 35,221.28 and 15,452.40 is: 21,324.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,522.10 : 35,221.28 = 15,452.40 : x
  2. Step 2: Convert to fraction form
    25,522.10/35,221.28 = 15,452.40/x
  3. Step 3: Cross multiply
    25,522.10x = 35,221.28 × 15,452.40
  4. Step 4: Simplify right side
    25,522.10x = 544,253,307.07
  5. Step 5: Solve for x
    x = 544,253,307.07/25,522.10
  6. Step 6: Final answer
    x = 21,324.79

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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.