Home / 15,819.30-23,729.16-4,723.44

Finding the Fourth Proportional to 15,819.30, 23,729.16 and 4,723.44

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Solution

The fourth proportional to 15,819.30, 23,729.16 and 4,723.44 is: 7,085.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,819.30 : 23,729.16 = 4,723.44 : x
  2. Step 2: Convert to fraction form
    15,819.30/23,729.16 = 4,723.44/x
  3. Step 3: Cross multiply
    15,819.30x = 23,729.16 × 4,723.44
  4. Step 4: Simplify right side
    15,819.30x = 112,083,263.51
  5. Step 5: Solve for x
    x = 112,083,263.51/15,819.30
  6. Step 6: Final answer
    x = 7,085.22

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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.