Home / 18,656.64-27,838.80-16,695.36

Finding the Fourth Proportional to 18,656.64, 27,838.80 and 16,695.36

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Solution

The fourth proportional to 18,656.64, 27,838.80 and 16,695.36 is: 24,912.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,656.64 : 27,838.80 = 16,695.36 : x
  2. Step 2: Convert to fraction form
    18,656.64/27,838.80 = 16,695.36/x
  3. Step 3: Cross multiply
    18,656.64x = 27,838.80 × 16,695.36
  4. Step 4: Simplify right side
    18,656.64x = 464,778,787.97
  5. Step 5: Solve for x
    x = 464,778,787.97/18,656.64
  6. Step 6: Final answer
    x = 24,912.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.