Home / 16,765.77-23,136.65-9,212.18

Finding the Fourth Proportional to 16,765.77, 23,136.65 and 9,212.18

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Solution

The fourth proportional to 16,765.77, 23,136.65 and 9,212.18 is: 12,712.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,765.77 : 23,136.65 = 9,212.18 : x
  2. Step 2: Convert to fraction form
    16,765.77/23,136.65 = 9,212.18/x
  3. Step 3: Cross multiply
    16,765.77x = 23,136.65 × 9,212.18
  4. Step 4: Simplify right side
    16,765.77x = 213,138,880.49
  5. Step 5: Solve for x
    x = 213,138,880.49/16,765.77
  6. Step 6: Final answer
    x = 12,712.74

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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.