Home / 25,641.12-38,396.34-21,704.52

Finding the Fourth Proportional to 25,641.12, 38,396.34 and 21,704.52

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Solution

The fourth proportional to 25,641.12, 38,396.34 and 21,704.52 is: 32,501.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,641.12 : 38,396.34 = 21,704.52 : x
  2. Step 2: Convert to fraction form
    25,641.12/38,396.34 = 21,704.52/x
  3. Step 3: Cross multiply
    25,641.12x = 38,396.34 × 21,704.52
  4. Step 4: Simplify right side
    25,641.12x = 833,374,129.46
  5. Step 5: Solve for x
    x = 833,374,129.46/25,641.12
  6. Step 6: Final answer
    x = 32,501.47

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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.