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Finding the Fourth Proportional to 16,895.49, 25,347.63 and 9,881.49

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Solution

The fourth proportional to 16,895.49, 25,347.63 and 9,881.49 is: 14,824.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,895.49 : 25,347.63 = 9,881.49 : x
  2. Step 2: Convert to fraction form
    16,895.49/25,347.63 = 9,881.49/x
  3. Step 3: Cross multiply
    16,895.49x = 25,347.63 × 9,881.49
  4. Step 4: Simplify right side
    16,895.49x = 250,472,352.37
  5. Step 5: Solve for x
    x = 250,472,352.37/16,895.49
  6. Step 6: Final answer
    x = 14,824.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.