Home / 20,815.59-31,228.83-6,025.65

Finding the Fourth Proportional to 20,815.59, 31,228.83 and 6,025.65

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Solution

The fourth proportional to 20,815.59, 31,228.83 and 6,025.65 is: 9,040.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,815.59 : 31,228.83 = 6,025.65 : x
  2. Step 2: Convert to fraction form
    20,815.59/31,228.83 = 6,025.65/x
  3. Step 3: Cross multiply
    20,815.59x = 31,228.83 × 6,025.65
  4. Step 4: Simplify right side
    20,815.59x = 188,173,999.49
  5. Step 5: Solve for x
    x = 188,173,999.49/20,815.59
  6. Step 6: Final answer
    x = 9,040.05

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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.