Home / 22,301.72-30,760.26-18,939.23

Finding the Fourth Proportional to 22,301.72, 30,760.26 and 18,939.23

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Solution

The fourth proportional to 22,301.72, 30,760.26 and 18,939.23 is: 26,122.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,301.72 : 30,760.26 = 18,939.23 : x
  2. Step 2: Convert to fraction form
    22,301.72/30,760.26 = 18,939.23/x
  3. Step 3: Cross multiply
    22,301.72x = 30,760.26 × 18,939.23
  4. Step 4: Simplify right side
    22,301.72x = 582,575,639.00
  5. Step 5: Solve for x
    x = 582,575,639.00/22,301.72
  6. Step 6: Final answer
    x = 26,122.45

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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.