Home / 16,163.60-22,302.69-9,788.90

Finding the Fourth Proportional to 16,163.60, 22,302.69 and 9,788.90

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Solution

The fourth proportional to 16,163.60, 22,302.69 and 9,788.90 is: 13,506.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,163.60 : 22,302.69 = 9,788.90 : x
  2. Step 2: Convert to fraction form
    16,163.60/22,302.69 = 9,788.90/x
  3. Step 3: Cross multiply
    16,163.60x = 22,302.69 × 9,788.90
  4. Step 4: Simplify right side
    16,163.60x = 218,318,802.14
  5. Step 5: Solve for x
    x = 218,318,802.14/16,163.60
  6. Step 6: Final answer
    x = 13,506.82

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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.