Home / 20,036.70-30,190.46-16,603.11

Finding the Fourth Proportional to 20,036.70, 30,190.46 and 16,603.11

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Solution

The fourth proportional to 20,036.70, 30,190.46 and 16,603.11 is: 25,016.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,036.70 : 30,190.46 = 16,603.11 : x
  2. Step 2: Convert to fraction form
    20,036.70/30,190.46 = 16,603.11/x
  3. Step 3: Cross multiply
    20,036.70x = 30,190.46 × 16,603.11
  4. Step 4: Simplify right side
    20,036.70x = 501,255,445.32
  5. Step 5: Solve for x
    x = 501,255,445.32/20,036.70
  6. Step 6: Final answer
    x = 25,016.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.