Home / 21,334.23-29,442.60-11,774.07

Finding the Fourth Proportional to 21,334.23, 29,442.60 and 11,774.07

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Solution

The fourth proportional to 21,334.23, 29,442.60 and 11,774.07 is: 16,248.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,334.23 : 29,442.60 = 11,774.07 : x
  2. Step 2: Convert to fraction form
    21,334.23/29,442.60 = 11,774.07/x
  3. Step 3: Cross multiply
    21,334.23x = 29,442.60 × 11,774.07
  4. Step 4: Simplify right side
    21,334.23x = 346,659,233.38
  5. Step 5: Solve for x
    x = 346,659,233.38/21,334.23
  6. Step 6: Final answer
    x = 16,248.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.