Home / 16,333.44-22,542.30-15,888.66

Finding the Fourth Proportional to 16,333.44, 22,542.30 and 15,888.66

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Solution

The fourth proportional to 16,333.44, 22,542.30 and 15,888.66 is: 21,928.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,333.44 : 22,542.30 = 15,888.66 : x
  2. Step 2: Convert to fraction form
    16,333.44/22,542.30 = 15,888.66/x
  3. Step 3: Cross multiply
    16,333.44x = 22,542.30 × 15,888.66
  4. Step 4: Simplify right side
    16,333.44x = 358,166,940.32
  5. Step 5: Solve for x
    x = 358,166,940.32/16,333.44
  6. Step 6: Final answer
    x = 21,928.44

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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.