Home / 20,362.20-30,547.67-6,321.93

Finding the Fourth Proportional to 20,362.20, 30,547.67 and 6,321.93

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Solution

The fourth proportional to 20,362.20, 30,547.67 and 6,321.93 is: 9,484.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,362.20 : 30,547.67 = 6,321.93 : x
  2. Step 2: Convert to fraction form
    20,362.20/30,547.67 = 6,321.93/x
  3. Step 3: Cross multiply
    20,362.20x = 30,547.67 × 6,321.93
  4. Step 4: Simplify right side
    20,362.20x = 193,120,231.40
  5. Step 5: Solve for x
    x = 193,120,231.40/20,362.20
  6. Step 6: Final answer
    x = 9,484.25

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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.