Home / 20,890.53-31,332.71-6,095.48

Finding the Fourth Proportional to 20,890.53, 31,332.71 and 6,095.48

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Solution

The fourth proportional to 20,890.53, 31,332.71 and 6,095.48 is: 9,142.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,890.53 : 31,332.71 = 6,095.48 : x
  2. Step 2: Convert to fraction form
    20,890.53/31,332.71 = 6,095.48/x
  3. Step 3: Cross multiply
    20,890.53x = 31,332.71 × 6,095.48
  4. Step 4: Simplify right side
    20,890.53x = 190,987,765.73
  5. Step 5: Solve for x
    x = 190,987,765.73/20,890.53
  6. Step 6: Final answer
    x = 9,142.31

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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.