Home / 16,450.40-22,701.57-9,377.21

Finding the Fourth Proportional to 16,450.40, 22,701.57 and 9,377.21

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Solution

The fourth proportional to 16,450.40, 22,701.57 and 9,377.21 is: 12,940.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,450.40 : 22,701.57 = 9,377.21 : x
  2. Step 2: Convert to fraction form
    16,450.40/22,701.57 = 9,377.21/x
  3. Step 3: Cross multiply
    16,450.40x = 22,701.57 × 9,377.21
  4. Step 4: Simplify right side
    16,450.40x = 212,877,389.22
  5. Step 5: Solve for x
    x = 212,877,389.22/16,450.40
  6. Step 6: Final answer
    x = 12,940.56

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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.