Home / 14,788.62-22,171.98-6,988.32

Finding the Fourth Proportional to 14,788.62, 22,171.98 and 6,988.32

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Solution

The fourth proportional to 14,788.62, 22,171.98 and 6,988.32 is: 10,477.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,788.62 : 22,171.98 = 6,988.32 : x
  2. Step 2: Convert to fraction form
    14,788.62/22,171.98 = 6,988.32/x
  3. Step 3: Cross multiply
    14,788.62x = 22,171.98 × 6,988.32
  4. Step 4: Simplify right side
    14,788.62x = 154,944,891.27
  5. Step 5: Solve for x
    x = 154,944,891.27/14,788.62
  6. Step 6: Final answer
    x = 10,477.31

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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.