Home / 21,496.73-29,664.63-11,937.11

Finding the Fourth Proportional to 21,496.73, 29,664.63 and 11,937.11

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Solution

The fourth proportional to 21,496.73, 29,664.63 and 11,937.11 is: 16,472.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,496.73 : 29,664.63 = 11,937.11 : x
  2. Step 2: Convert to fraction form
    21,496.73/29,664.63 = 11,937.11/x
  3. Step 3: Cross multiply
    21,496.73x = 29,664.63 × 11,937.11
  4. Step 4: Simplify right side
    21,496.73x = 354,109,803.10
  5. Step 5: Solve for x
    x = 354,109,803.10/21,496.73
  6. Step 6: Final answer
    x = 16,472.73

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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.