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Finding the Fourth Proportional to 16,653.66, 24,859 and 14,551.75

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Solution

The fourth proportional to 16,653.66, 24,859 and 14,551.75 is: 21,721.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,653.66 : 24,859 = 14,551.75 : x
  2. Step 2: Convert to fraction form
    16,653.66/24,859 = 14,551.75/x
  3. Step 3: Cross multiply
    16,653.66x = 24,859 × 14,551.75
  4. Step 4: Simplify right side
    16,653.66x = 361,741,953.25
  5. Step 5: Solve for x
    x = 361,741,953.25/16,653.66
  6. Step 6: Final answer
    x = 21,721.47

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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.