Home / 21,224.84-29,290.61-11,793.40

Finding the Fourth Proportional to 21,224.84, 29,290.61 and 11,793.40

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Solution

The fourth proportional to 21,224.84, 29,290.61 and 11,793.40 is: 16,275.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,224.84 : 29,290.61 = 11,793.40 : x
  2. Step 2: Convert to fraction form
    21,224.84/29,290.61 = 11,793.40/x
  3. Step 3: Cross multiply
    21,224.84x = 29,290.61 × 11,793.40
  4. Step 4: Simplify right side
    21,224.84x = 345,435,836.23
  5. Step 5: Solve for x
    x = 345,435,836.23/21,224.84
  6. Step 6: Final answer
    x = 16,275.08

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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.