Home / 16,721.57-23,070.83-9,551.25

Finding the Fourth Proportional to 16,721.57, 23,070.83 and 9,551.25

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Solution

The fourth proportional to 16,721.57, 23,070.83 and 9,551.25 is: 13,177.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,721.57 : 23,070.83 = 9,551.25 : x
  2. Step 2: Convert to fraction form
    16,721.57/23,070.83 = 9,551.25/x
  3. Step 3: Cross multiply
    16,721.57x = 23,070.83 × 9,551.25
  4. Step 4: Simplify right side
    16,721.57x = 220,355,217.28
  5. Step 5: Solve for x
    x = 220,355,217.28/16,721.57
  6. Step 6: Final answer
    x = 13,177.90

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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.