Home / 16,780.84-23,117.50-11,735.60

Finding the Fourth Proportional to 16,780.84, 23,117.50 and 11,735.60

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Solution

The fourth proportional to 16,780.84, 23,117.50 and 11,735.60 is: 16,167.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,780.84 : 23,117.50 = 11,735.60 : x
  2. Step 2: Convert to fraction form
    16,780.84/23,117.50 = 11,735.60/x
  3. Step 3: Cross multiply
    16,780.84x = 23,117.50 × 11,735.60
  4. Step 4: Simplify right side
    16,780.84x = 271,297,733
  5. Step 5: Solve for x
    x = 271,297,733/16,780.84
  6. Step 6: Final answer
    x = 16,167.11

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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.