Home / 22,845.14-31,517.04-15,192.08

Finding the Fourth Proportional to 22,845.14, 31,517.04 and 15,192.08

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Solution

The fourth proportional to 22,845.14, 31,517.04 and 15,192.08 is: 20,958.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,845.14 : 31,517.04 = 15,192.08 : x
  2. Step 2: Convert to fraction form
    22,845.14/31,517.04 = 15,192.08/x
  3. Step 3: Cross multiply
    22,845.14x = 31,517.04 × 15,192.08
  4. Step 4: Simplify right side
    22,845.14x = 478,809,393.04
  5. Step 5: Solve for x
    x = 478,809,393.04/22,845.14
  6. Step 6: Final answer
    x = 20,958.92

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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.