Home / 22,464.95-30,991.61-13,028.04

Finding the Fourth Proportional to 22,464.95, 30,991.61 and 13,028.04

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Solution

The fourth proportional to 22,464.95, 30,991.61 and 13,028.04 is: 17,972.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,464.95 : 30,991.61 = 13,028.04 : x
  2. Step 2: Convert to fraction form
    22,464.95/30,991.61 = 13,028.04/x
  3. Step 3: Cross multiply
    22,464.95x = 30,991.61 × 13,028.04
  4. Step 4: Simplify right side
    22,464.95x = 403,759,869.60
  5. Step 5: Solve for x
    x = 403,759,869.60/22,464.95
  6. Step 6: Final answer
    x = 17,972.88

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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.