Home / 16,853.33-23,258.64-9,685.55

Finding the Fourth Proportional to 16,853.33, 23,258.64 and 9,685.55

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Solution

The fourth proportional to 16,853.33, 23,258.64 and 9,685.55 is: 13,366.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,853.33 : 23,258.64 = 9,685.55 : x
  2. Step 2: Convert to fraction form
    16,853.33/23,258.64 = 9,685.55/x
  3. Step 3: Cross multiply
    16,853.33x = 23,258.64 × 9,685.55
  4. Step 4: Simplify right side
    16,853.33x = 225,272,604.36
  5. Step 5: Solve for x
    x = 225,272,604.36/16,853.33
  6. Step 6: Final answer
    x = 13,366.66

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Half scale
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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.