Home / 21,631.33-32,452.76-6,840.52

Finding the Fourth Proportional to 21,631.33, 32,452.76 and 6,840.52

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Solution

The fourth proportional to 21,631.33, 32,452.76 and 6,840.52 is: 10,262.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,631.33 : 32,452.76 = 6,840.52 : x
  2. Step 2: Convert to fraction form
    21,631.33/32,452.76 = 6,840.52/x
  3. Step 3: Cross multiply
    21,631.33x = 32,452.76 × 6,840.52
  4. Step 4: Simplify right side
    21,631.33x = 221,993,753.84
  5. Step 5: Solve for x
    x = 221,993,753.84/21,631.33
  6. Step 6: Final answer
    x = 10,262.60

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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.