Home / 22,554.92-31,111.26-15,485.24

Finding the Fourth Proportional to 22,554.92, 31,111.26 and 15,485.24

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Solution

The fourth proportional to 22,554.92, 31,111.26 and 15,485.24 is: 21,359.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,554.92 : 31,111.26 = 15,485.24 : x
  2. Step 2: Convert to fraction form
    22,554.92/31,111.26 = 15,485.24/x
  3. Step 3: Cross multiply
    22,554.92x = 31,111.26 × 15,485.24
  4. Step 4: Simplify right side
    22,554.92x = 481,765,172.25
  5. Step 5: Solve for x
    x = 481,765,172.25/22,554.92
  6. Step 6: Final answer
    x = 21,359.65

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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.