Home / 15,763.76-23,647.01-4,519.15

Finding the Fourth Proportional to 15,763.76, 23,647.01 and 4,519.15

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Solution

The fourth proportional to 15,763.76, 23,647.01 and 4,519.15 is: 6,779.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,763.76 : 23,647.01 = 4,519.15 : x
  2. Step 2: Convert to fraction form
    15,763.76/23,647.01 = 4,519.15/x
  3. Step 3: Cross multiply
    15,763.76x = 23,647.01 × 4,519.15
  4. Step 4: Simplify right side
    15,763.76x = 106,864,507.93
  5. Step 5: Solve for x
    x = 106,864,507.93/15,763.76
  6. Step 6: Final answer
    x = 6,779.12

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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.