Home / 16,816.40-23,206.79-9,262.76

Finding the Fourth Proportional to 16,816.40, 23,206.79 and 9,262.76

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Solution

The fourth proportional to 16,816.40, 23,206.79 and 9,262.76 is: 12,782.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,816.40 : 23,206.79 = 9,262.76 : x
  2. Step 2: Convert to fraction form
    16,816.40/23,206.79 = 9,262.76/x
  3. Step 3: Cross multiply
    16,816.40x = 23,206.79 × 9,262.76
  4. Step 4: Simplify right side
    16,816.40x = 214,958,926.14
  5. Step 5: Solve for x
    x = 214,958,926.14/16,816.40
  6. Step 6: Final answer
    x = 12,782.70

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Half scale
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Double scale
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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.