Home / 15,806.93-23,711.75-4,120.13

Finding the Fourth Proportional to 15,806.93, 23,711.75 and 4,120.13

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Solution

The fourth proportional to 15,806.93, 23,711.75 and 4,120.13 is: 6,180.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,806.93 : 23,711.75 = 4,120.13 : x
  2. Step 2: Convert to fraction form
    15,806.93/23,711.75 = 4,120.13/x
  3. Step 3: Cross multiply
    15,806.93x = 23,711.75 × 4,120.13
  4. Step 4: Simplify right side
    15,806.93x = 97,695,353.37
  5. Step 5: Solve for x
    x = 97,695,353.37/15,806.93
  6. Step 6: Final answer
    x = 6,180.54

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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.