Home / 16,645.50-22,970.79-9,193.98

Finding the Fourth Proportional to 16,645.50, 22,970.79 and 9,193.98

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Solution

The fourth proportional to 16,645.50, 22,970.79 and 9,193.98 is: 12,687.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,645.50 : 22,970.79 = 9,193.98 : x
  2. Step 2: Convert to fraction form
    16,645.50/22,970.79 = 9,193.98/x
  3. Step 3: Cross multiply
    16,645.50x = 22,970.79 × 9,193.98
  4. Step 4: Simplify right side
    16,645.50x = 211,192,983.84
  5. Step 5: Solve for x
    x = 211,192,983.84/16,645.50
  6. Step 6: Final answer
    x = 12,687.69

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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.