Home / 15,806.13-23,709.80-4,119.45

Finding the Fourth Proportional to 15,806.13, 23,709.80 and 4,119.45

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Solution

The fourth proportional to 15,806.13, 23,709.80 and 4,119.45 is: 6,179.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,806.13 : 23,709.80 = 4,119.45 : x
  2. Step 2: Convert to fraction form
    15,806.13/23,709.80 = 4,119.45/x
  3. Step 3: Cross multiply
    15,806.13x = 23,709.80 × 4,119.45
  4. Step 4: Simplify right side
    15,806.13x = 97,671,335.61
  5. Step 5: Solve for x
    x = 97,671,335.61/15,806.13
  6. Step 6: Final answer
    x = 6,179.33

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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.