Home / 15,404.12-23,109-4,876.76

Finding the Fourth Proportional to 15,404.12, 23,109 and 4,876.76

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Solution

The fourth proportional to 15,404.12, 23,109 and 4,876.76 is: 7,316.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,404.12 : 23,109 = 4,876.76 : x
  2. Step 2: Convert to fraction form
    15,404.12/23,109 = 4,876.76/x
  3. Step 3: Cross multiply
    15,404.12x = 23,109 × 4,876.76
  4. Step 4: Simplify right side
    15,404.12x = 112,697,046.84
  5. Step 5: Solve for x
    x = 112,697,046.84/15,404.12
  6. Step 6: Final answer
    x = 7,316.03

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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.