Home / 22,551.25-31,118.59-15,268.53

Finding the Fourth Proportional to 22,551.25, 31,118.59 and 15,268.53

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Solution

The fourth proportional to 22,551.25, 31,118.59 and 15,268.53 is: 21,069.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,551.25 : 31,118.59 = 15,268.53 : x
  2. Step 2: Convert to fraction form
    22,551.25/31,118.59 = 15,268.53/x
  3. Step 3: Cross multiply
    22,551.25x = 31,118.59 × 15,268.53
  4. Step 4: Simplify right side
    22,551.25x = 475,135,124.97
  5. Step 5: Solve for x
    x = 475,135,124.97/22,551.25
  6. Step 6: Final answer
    x = 21,069.13

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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.