Home / 22,460.14-30,997.66-13,029.04

Finding the Fourth Proportional to 22,460.14, 30,997.66 and 13,029.04

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Solution

The fourth proportional to 22,460.14, 30,997.66 and 13,029.04 is: 17,981.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,460.14 : 30,997.66 = 13,029.04 : x
  2. Step 2: Convert to fraction form
    22,460.14/30,997.66 = 13,029.04/x
  3. Step 3: Cross multiply
    22,460.14x = 30,997.66 × 13,029.04
  4. Step 4: Simplify right side
    22,460.14x = 403,869,752.05
  5. Step 5: Solve for x
    x = 403,869,752.05/22,460.14
  6. Step 6: Final answer
    x = 17,981.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.