Home / 25,529.70-38,268.23-18,492.02

Finding the Fourth Proportional to 25,529.70, 38,268.23 and 18,492.02

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Solution

The fourth proportional to 25,529.70, 38,268.23 and 18,492.02 is: 27,718.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,529.70 : 38,268.23 = 18,492.02 : x
  2. Step 2: Convert to fraction form
    25,529.70/38,268.23 = 18,492.02/x
  3. Step 3: Cross multiply
    25,529.70x = 38,268.23 × 18,492.02
  4. Step 4: Simplify right side
    25,529.70x = 707,656,874.52
  5. Step 5: Solve for x
    x = 707,656,874.52/25,529.70
  6. Step 6: Final answer
    x = 27,718.97

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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.