Home / 22,126.41-30,542.28-19,764.45

Finding the Fourth Proportional to 22,126.41, 30,542.28 and 19,764.45

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Solution

The fourth proportional to 22,126.41, 30,542.28 and 19,764.45 is: 27,281.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,126.41 : 30,542.28 = 19,764.45 : x
  2. Step 2: Convert to fraction form
    22,126.41/30,542.28 = 19,764.45/x
  3. Step 3: Cross multiply
    22,126.41x = 30,542.28 × 19,764.45
  4. Step 4: Simplify right side
    22,126.41x = 603,651,365.95
  5. Step 5: Solve for x
    x = 603,651,365.95/22,126.41
  6. Step 6: Final answer
    x = 27,281.94

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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.