Home / 20,944.19-28,876.03-17,153.39

Finding the Fourth Proportional to 20,944.19, 28,876.03 and 17,153.39

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Solution

The fourth proportional to 20,944.19, 28,876.03 and 17,153.39 is: 23,649.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,944.19 : 28,876.03 = 17,153.39 : x
  2. Step 2: Convert to fraction form
    20,944.19/28,876.03 = 17,153.39/x
  3. Step 3: Cross multiply
    20,944.19x = 28,876.03 × 17,153.39
  4. Step 4: Simplify right side
    20,944.19x = 495,321,804.24
  5. Step 5: Solve for x
    x = 495,321,804.24/20,944.19
  6. Step 6: Final answer
    x = 23,649.60

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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.