Home / 25,824.42-35,631.90-15,215.04

Finding the Fourth Proportional to 25,824.42, 35,631.90 and 15,215.04

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Solution

The fourth proportional to 25,824.42, 35,631.90 and 15,215.04 is: 20,993.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,824.42 : 35,631.90 = 15,215.04 : x
  2. Step 2: Convert to fraction form
    25,824.42/35,631.90 = 15,215.04/x
  3. Step 3: Cross multiply
    25,824.42x = 35,631.90 × 15,215.04
  4. Step 4: Simplify right side
    25,824.42x = 542,140,783.78
  5. Step 5: Solve for x
    x = 542,140,783.78/25,824.42
  6. Step 6: Final answer
    x = 20,993.34

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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.