Home / 25,616.90-35,354.04-15,015.44

Finding the Fourth Proportional to 25,616.90, 35,354.04 and 15,015.44

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Solution

The fourth proportional to 25,616.90, 35,354.04 and 15,015.44 is: 20,722.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,616.90 : 35,354.04 = 15,015.44 : x
  2. Step 2: Convert to fraction form
    25,616.90/35,354.04 = 15,015.44/x
  3. Step 3: Cross multiply
    25,616.90x = 35,354.04 × 15,015.44
  4. Step 4: Simplify right side
    25,616.90x = 530,856,466.38
  5. Step 5: Solve for x
    x = 530,856,466.38/25,616.90
  6. Step 6: Final answer
    x = 20,722.90

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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.