Home / 15,964.17-21,993.84-12,605.73

Finding the Fourth Proportional to 15,964.17, 21,993.84 and 12,605.73

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Solution

The fourth proportional to 15,964.17, 21,993.84 and 12,605.73 is: 17,366.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,964.17 : 21,993.84 = 12,605.73 : x
  2. Step 2: Convert to fraction form
    15,964.17/21,993.84 = 12,605.73/x
  3. Step 3: Cross multiply
    15,964.17x = 21,993.84 × 12,605.73
  4. Step 4: Simplify right side
    15,964.17x = 277,248,408.70
  5. Step 5: Solve for x
    x = 277,248,408.70/15,964.17
  6. Step 6: Final answer
    x = 17,366.92

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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.