Home / 25,492.40-38,262.40-13,021.04

Finding the Fourth Proportional to 25,492.40, 38,262.40 and 13,021.04

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Solution

The fourth proportional to 25,492.40, 38,262.40 and 13,021.04 is: 19,543.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,492.40 : 38,262.40 = 13,021.04 : x
  2. Step 2: Convert to fraction form
    25,492.40/38,262.40 = 13,021.04/x
  3. Step 3: Cross multiply
    25,492.40x = 38,262.40 × 13,021.04
  4. Step 4: Simplify right side
    25,492.40x = 498,216,240.90
  5. Step 5: Solve for x
    x = 498,216,240.90/25,492.40
  6. Step 6: Final answer
    x = 19,543.72

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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.