Home / 23,196.21-34,780.48-8,400.13

Finding the Fourth Proportional to 23,196.21, 34,780.48 and 8,400.13

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Solution

The fourth proportional to 23,196.21, 34,780.48 and 8,400.13 is: 12,595.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,196.21 : 34,780.48 = 8,400.13 : x
  2. Step 2: Convert to fraction form
    23,196.21/34,780.48 = 8,400.13/x
  3. Step 3: Cross multiply
    23,196.21x = 34,780.48 × 8,400.13
  4. Step 4: Simplify right side
    23,196.21x = 292,160,531.52
  5. Step 5: Solve for x
    x = 292,160,531.52/23,196.21
  6. Step 6: Final answer
    x = 12,595.18

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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.