Home / 16,394.17-22,622.79-9,679.45

Finding the Fourth Proportional to 16,394.17, 22,622.79 and 9,679.45

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Solution

The fourth proportional to 16,394.17, 22,622.79 and 9,679.45 is: 13,356.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,394.17 : 22,622.79 = 9,679.45 : x
  2. Step 2: Convert to fraction form
    16,394.17/22,622.79 = 9,679.45/x
  3. Step 3: Cross multiply
    16,394.17x = 22,622.79 × 9,679.45
  4. Step 4: Simplify right side
    16,394.17x = 218,976,164.67
  5. Step 5: Solve for x
    x = 218,976,164.67/16,394.17
  6. Step 6: Final answer
    x = 13,356.95

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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.