Home / 22,769-34,101.45-20,108.28

Finding the Fourth Proportional to 22,769, 34,101.45 and 20,108.28

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Solution

The fourth proportional to 22,769, 34,101.45 and 20,108.28 is: 30,116.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,769 : 34,101.45 = 20,108.28 : x
  2. Step 2: Convert to fraction form
    22,769/34,101.45 = 20,108.28/x
  3. Step 3: Cross multiply
    22,769x = 34,101.45 × 20,108.28
  4. Step 4: Simplify right side
    22,769x = 685,721,505.01
  5. Step 5: Solve for x
    x = 685,721,505.01/22,769
  6. Step 6: Final answer
    x = 30,116.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.