Home / 25,722.02-35,493.18-15,111.42

Finding the Fourth Proportional to 25,722.02, 35,493.18 and 15,111.42

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Solution

The fourth proportional to 25,722.02, 35,493.18 and 15,111.42 is: 20,851.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,722.02 : 35,493.18 = 15,111.42 : x
  2. Step 2: Convert to fraction form
    25,722.02/35,493.18 = 15,111.42/x
  3. Step 3: Cross multiply
    25,722.02x = 35,493.18 × 15,111.42
  4. Step 4: Simplify right side
    25,722.02x = 536,352,350.12
  5. Step 5: Solve for x
    x = 536,352,350.12/25,722.02
  6. Step 6: Final answer
    x = 20,851.88

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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.