Home / 16,740.14-23,101.42-9,187.12

Finding the Fourth Proportional to 16,740.14, 23,101.42 and 9,187.12

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Solution

The fourth proportional to 16,740.14, 23,101.42 and 9,187.12 is: 12,678.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,740.14 : 23,101.42 = 9,187.12 : x
  2. Step 2: Convert to fraction form
    16,740.14/23,101.42 = 9,187.12/x
  3. Step 3: Cross multiply
    16,740.14x = 23,101.42 × 9,187.12
  4. Step 4: Simplify right side
    16,740.14x = 212,235,517.71
  5. Step 5: Solve for x
    x = 212,235,517.71/16,740.14
  6. Step 6: Final answer
    x = 12,678.24

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Half scale
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Double scale
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Similar ratio
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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.