Home / 16,624.22-22,940.79-9,172.22

Finding the Fourth Proportional to 16,624.22, 22,940.79 and 9,172.22

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Solution

The fourth proportional to 16,624.22, 22,940.79 and 9,172.22 is: 12,657.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,624.22 : 22,940.79 = 9,172.22 : x
  2. Step 2: Convert to fraction form
    16,624.22/22,940.79 = 9,172.22/x
  3. Step 3: Cross multiply
    16,624.22x = 22,940.79 × 9,172.22
  4. Step 4: Simplify right side
    16,624.22x = 210,417,972.85
  5. Step 5: Solve for x
    x = 210,417,972.85/16,624.22
  6. Step 6: Final answer
    x = 12,657.31

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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.