Home / 14,780.25-22,164.80-4,918.05

Finding the Fourth Proportional to 14,780.25, 22,164.80 and 4,918.05

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Solution

The fourth proportional to 14,780.25, 22,164.80 and 4,918.05 is: 7,375.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,780.25 : 22,164.80 = 4,918.05 : x
  2. Step 2: Convert to fraction form
    14,780.25/22,164.80 = 4,918.05/x
  3. Step 3: Cross multiply
    14,780.25x = 22,164.80 × 4,918.05
  4. Step 4: Simplify right side
    14,780.25x = 109,007,570.05
  5. Step 5: Solve for x
    x = 109,007,570.05/14,780.25
  6. Step 6: Final answer
    x = 7,375.22

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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.