Home / 21,194.17-29,247.36-11,634.05

Finding the Fourth Proportional to 21,194.17, 29,247.36 and 11,634.05

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Solution

The fourth proportional to 21,194.17, 29,247.36 and 11,634.05 is: 16,054.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,194.17 : 29,247.36 = 11,634.05 : x
  2. Step 2: Convert to fraction form
    21,194.17/29,247.36 = 11,634.05/x
  3. Step 3: Cross multiply
    21,194.17x = 29,247.36 × 11,634.05
  4. Step 4: Simplify right side
    21,194.17x = 340,265,248.61
  5. Step 5: Solve for x
    x = 340,265,248.61/21,194.17
  6. Step 6: Final answer
    x = 16,054.66

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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.