Home / 20,202.06-30,292.44-6,870.48

Finding the Fourth Proportional to 20,202.06, 30,292.44 and 6,870.48

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Solution

The fourth proportional to 20,202.06, 30,292.44 and 6,870.48 is: 10,302.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,202.06 : 30,292.44 = 6,870.48 : x
  2. Step 2: Convert to fraction form
    20,202.06/30,292.44 = 6,870.48/x
  3. Step 3: Cross multiply
    20,202.06x = 30,292.44 × 6,870.48
  4. Step 4: Simplify right side
    20,202.06x = 208,123,603.17
  5. Step 5: Solve for x
    x = 208,123,603.17/20,202.06
  6. Step 6: Final answer
    x = 10,302.10

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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.