Home / 20,828.64-31,235.55-6,034.50

Finding the Fourth Proportional to 20,828.64, 31,235.55 and 6,034.50

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Solution

The fourth proportional to 20,828.64, 31,235.55 and 6,034.50 is: 9,049.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,828.64 : 31,235.55 = 6,034.50 : x
  2. Step 2: Convert to fraction form
    20,828.64/31,235.55 = 6,034.50/x
  3. Step 3: Cross multiply
    20,828.64x = 31,235.55 × 6,034.50
  4. Step 4: Simplify right side
    20,828.64x = 188,490,926.48
  5. Step 5: Solve for x
    x = 188,490,926.48/20,828.64
  6. Step 6: Final answer
    x = 9,049.60

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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.