Home / 17,909.32-26,876.28-7,380.04

Finding the Fourth Proportional to 17,909.32, 26,876.28 and 7,380.04

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Solution

The fourth proportional to 17,909.32, 26,876.28 and 7,380.04 is: 11,075.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,909.32 : 26,876.28 = 7,380.04 : x
  2. Step 2: Convert to fraction form
    17,909.32/26,876.28 = 7,380.04/x
  3. Step 3: Cross multiply
    17,909.32x = 26,876.28 × 7,380.04
  4. Step 4: Simplify right side
    17,909.32x = 198,348,021.45
  5. Step 5: Solve for x
    x = 198,348,021.45/17,909.32
  6. Step 6: Final answer
    x = 11,075.13

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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.