Home / 21,496.66-29,667.16-11,937.14

Finding the Fourth Proportional to 21,496.66, 29,667.16 and 11,937.14

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Solution

The fourth proportional to 21,496.66, 29,667.16 and 11,937.14 is: 16,474.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,496.66 : 29,667.16 = 11,937.14 : x
  2. Step 2: Convert to fraction form
    21,496.66/29,667.16 = 11,937.14/x
  3. Step 3: Cross multiply
    21,496.66x = 29,667.16 × 11,937.14
  4. Step 4: Simplify right side
    21,496.66x = 354,141,042.32
  5. Step 5: Solve for x
    x = 354,141,042.32/21,496.66
  6. Step 6: Final answer
    x = 16,474.24

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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.