Home / 20,176.66-30,273.90-7,038.46

Finding the Fourth Proportional to 20,176.66, 30,273.90 and 7,038.46

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Solution

The fourth proportional to 20,176.66, 30,273.90 and 7,038.46 is: 10,560.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,176.66 : 30,273.90 = 7,038.46 : x
  2. Step 2: Convert to fraction form
    20,176.66/30,273.90 = 7,038.46/x
  3. Step 3: Cross multiply
    20,176.66x = 30,273.90 × 7,038.46
  4. Step 4: Simplify right side
    20,176.66x = 213,081,634.19
  5. Step 5: Solve for x
    x = 213,081,634.19/20,176.66
  6. Step 6: Final answer
    x = 10,560.80

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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.