Home / 20,793.04-31,188.54-7,644.58

Finding the Fourth Proportional to 20,793.04, 31,188.54 and 7,644.58

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Solution

The fourth proportional to 20,793.04, 31,188.54 and 7,644.58 is: 11,466.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,793.04 : 31,188.54 = 7,644.58 : x
  2. Step 2: Convert to fraction form
    20,793.04/31,188.54 = 7,644.58/x
  3. Step 3: Cross multiply
    20,793.04x = 31,188.54 × 7,644.58
  4. Step 4: Simplify right side
    20,793.04x = 238,423,289.11
  5. Step 5: Solve for x
    x = 238,423,289.11/20,793.04
  6. Step 6: Final answer
    x = 11,466.49

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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.