Home / 16,022.94-21,971.10-15,466.74

Finding the Fourth Proportional to 16,022.94, 21,971.10 and 15,466.74

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Solution

The fourth proportional to 16,022.94, 21,971.10 and 15,466.74 is: 21,208.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,022.94 : 21,971.10 = 15,466.74 : x
  2. Step 2: Convert to fraction form
    16,022.94/21,971.10 = 15,466.74/x
  3. Step 3: Cross multiply
    16,022.94x = 21,971.10 × 15,466.74
  4. Step 4: Simplify right side
    16,022.94x = 339,821,291.21
  5. Step 5: Solve for x
    x = 339,821,291.21/16,022.94
  6. Step 6: Final answer
    x = 21,208.42

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.