Home / 21,403.14-32,109.92-7,363.42

Finding the Fourth Proportional to 21,403.14, 32,109.92 and 7,363.42

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Solution

The fourth proportional to 21,403.14, 32,109.92 and 7,363.42 is: 11,046.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,403.14 : 32,109.92 = 7,363.42 : x
  2. Step 2: Convert to fraction form
    21,403.14/32,109.92 = 7,363.42/x
  3. Step 3: Cross multiply
    21,403.14x = 32,109.92 × 7,363.42
  4. Step 4: Simplify right side
    21,403.14x = 236,438,827.13
  5. Step 5: Solve for x
    x = 236,438,827.13/21,403.14
  6. Step 6: Final answer
    x = 11,046.92

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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.