Home / 16,808.87-23,195.36-9,638.57

Finding the Fourth Proportional to 16,808.87, 23,195.36 and 9,638.57

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Solution

The fourth proportional to 16,808.87, 23,195.36 and 9,638.57 is: 13,300.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,808.87 : 23,195.36 = 9,638.57 : x
  2. Step 2: Convert to fraction form
    16,808.87/23,195.36 = 9,638.57/x
  3. Step 3: Cross multiply
    16,808.87x = 23,195.36 × 9,638.57
  4. Step 4: Simplify right side
    16,808.87x = 223,569,936.87
  5. Step 5: Solve for x
    x = 223,569,936.87/16,808.87
  6. Step 6: Final answer
    x = 13,300.72

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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.