Home / 15,282.12-22,911.98-4,887.88

Finding the Fourth Proportional to 15,282.12, 22,911.98 and 4,887.88

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Solution

The fourth proportional to 15,282.12, 22,911.98 and 4,887.88 is: 7,328.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,282.12 : 22,911.98 = 4,887.88 : x
  2. Step 2: Convert to fraction form
    15,282.12/22,911.98 = 4,887.88/x
  3. Step 3: Cross multiply
    15,282.12x = 22,911.98 × 4,887.88
  4. Step 4: Simplify right side
    15,282.12x = 111,991,008.80
  5. Step 5: Solve for x
    x = 111,991,008.80/15,282.12
  6. Step 6: Final answer
    x = 7,328.24

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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.