Home / 25,241.85-34,832.35-15,168.42

Finding the Fourth Proportional to 25,241.85, 34,832.35 and 15,168.42

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Solution

The fourth proportional to 25,241.85, 34,832.35 and 15,168.42 is: 20,931.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,241.85 : 34,832.35 = 15,168.42 : x
  2. Step 2: Convert to fraction form
    25,241.85/34,832.35 = 15,168.42/x
  3. Step 3: Cross multiply
    25,241.85x = 34,832.35 × 15,168.42
  4. Step 4: Simplify right side
    25,241.85x = 528,351,714.39
  5. Step 5: Solve for x
    x = 528,351,714.39/25,241.85
  6. Step 6: Final answer
    x = 20,931.58

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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.