Home / 15,320.12-22,980.72-4,791.08

Finding the Fourth Proportional to 15,320.12, 22,980.72 and 4,791.08

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Solution

The fourth proportional to 15,320.12, 22,980.72 and 4,791.08 is: 7,186.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,320.12 : 22,980.72 = 4,791.08 : x
  2. Step 2: Convert to fraction form
    15,320.12/22,980.72 = 4,791.08/x
  3. Step 3: Cross multiply
    15,320.12x = 22,980.72 × 4,791.08
  4. Step 4: Simplify right side
    15,320.12x = 110,102,467.98
  5. Step 5: Solve for x
    x = 110,102,467.98/15,320.12
  6. Step 6: Final answer
    x = 7,186.79

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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.