Home / 15,949.48-23,924.10-7,178.20

Finding the Fourth Proportional to 15,949.48, 23,924.10 and 7,178.20

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Solution

The fourth proportional to 15,949.48, 23,924.10 and 7,178.20 is: 10,767.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,949.48 : 23,924.10 = 7,178.20 : x
  2. Step 2: Convert to fraction form
    15,949.48/23,924.10 = 7,178.20/x
  3. Step 3: Cross multiply
    15,949.48x = 23,924.10 × 7,178.20
  4. Step 4: Simplify right side
    15,949.48x = 171,731,974.62
  5. Step 5: Solve for x
    x = 171,731,974.62/15,949.48
  6. Step 6: Final answer
    x = 10,767.25

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1.5x scale

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.