Home / 21,584.39-29,803.35-16,882.07

Finding the Fourth Proportional to 21,584.39, 29,803.35 and 16,882.07

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Solution

The fourth proportional to 21,584.39, 29,803.35 and 16,882.07 is: 23,310.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,584.39 : 29,803.35 = 16,882.07 : x
  2. Step 2: Convert to fraction form
    21,584.39/29,803.35 = 16,882.07/x
  3. Step 3: Cross multiply
    21,584.39x = 29,803.35 × 16,882.07
  4. Step 4: Simplify right side
    21,584.39x = 503,142,240.93
  5. Step 5: Solve for x
    x = 503,142,240.93/21,584.39
  6. Step 6: Final answer
    x = 23,310.47

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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.