Home / 21,850.19-30,137.13-16,185.17

Finding the Fourth Proportional to 21,850.19, 30,137.13 and 16,185.17

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Solution

The fourth proportional to 21,850.19, 30,137.13 and 16,185.17 is: 22,323.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,850.19 : 30,137.13 = 16,185.17 : x
  2. Step 2: Convert to fraction form
    21,850.19/30,137.13 = 16,185.17/x
  3. Step 3: Cross multiply
    21,850.19x = 30,137.13 × 16,185.17
  4. Step 4: Simplify right side
    21,850.19x = 487,774,566.78
  5. Step 5: Solve for x
    x = 487,774,566.78/21,850.19
  6. Step 6: Final answer
    x = 22,323.59

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Half scale
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Double scale
Find fourth proportional to 21,851.19, 30,138.50 and 16,186.17
Similar ratio
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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.