Home / 25,589.36-38,395.56-13,885.04

Finding the Fourth Proportional to 25,589.36, 38,395.56 and 13,885.04

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Solution

The fourth proportional to 25,589.36, 38,395.56 and 13,885.04 is: 20,833.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,589.36 : 38,395.56 = 13,885.04 : x
  2. Step 2: Convert to fraction form
    25,589.36/38,395.56 = 13,885.04/x
  3. Step 3: Cross multiply
    25,589.36x = 38,395.56 × 13,885.04
  4. Step 4: Simplify right side
    25,589.36x = 533,123,886.42
  5. Step 5: Solve for x
    x = 533,123,886.42/25,589.36
  6. Step 6: Final answer
    x = 20,833.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.