Home / 20,356.41-28,092.48-11,404.17

Finding the Fourth Proportional to 20,356.41, 28,092.48 and 11,404.17

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Solution

The fourth proportional to 20,356.41, 28,092.48 and 11,404.17 is: 15,738.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,356.41 : 28,092.48 = 11,404.17 : x
  2. Step 2: Convert to fraction form
    20,356.41/28,092.48 = 11,404.17/x
  3. Step 3: Cross multiply
    20,356.41x = 28,092.48 × 11,404.17
  4. Step 4: Simplify right side
    20,356.41x = 320,371,417.64
  5. Step 5: Solve for x
    x = 320,371,417.64/20,356.41
  6. Step 6: Final answer
    x = 15,738.11

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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.