Home / 20,233.40-30,338.35-6,189.41

Finding the Fourth Proportional to 20,233.40, 30,338.35 and 6,189.41

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Solution

The fourth proportional to 20,233.40, 30,338.35 and 6,189.41 is: 9,280.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,233.40 : 30,338.35 = 6,189.41 : x
  2. Step 2: Convert to fraction form
    20,233.40/30,338.35 = 6,189.41/x
  3. Step 3: Cross multiply
    20,233.40x = 30,338.35 × 6,189.41
  4. Step 4: Simplify right side
    20,233.40x = 187,776,547.25
  5. Step 5: Solve for x
    x = 187,776,547.25/20,233.40
  6. Step 6: Final answer
    x = 9,280.53

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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.