Home / 21,370.33-32,047.30-7,326.15

Finding the Fourth Proportional to 21,370.33, 32,047.30 and 7,326.15

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Solution

The fourth proportional to 21,370.33, 32,047.30 and 7,326.15 is: 10,986.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,370.33 : 32,047.30 = 7,326.15 : x
  2. Step 2: Convert to fraction form
    21,370.33/32,047.30 = 7,326.15/x
  3. Step 3: Cross multiply
    21,370.33x = 32,047.30 × 7,326.15
  4. Step 4: Simplify right side
    21,370.33x = 234,783,174.67
  5. Step 5: Solve for x
    x = 234,783,174.67/21,370.33
  6. Step 6: Final answer
    x = 10,986.41

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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.