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Finding the Fourth Proportional to 16,803, 23,188.14 and 9,351

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Solution

The fourth proportional to 16,803, 23,188.14 and 9,351 is: 12,904.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,803 : 23,188.14 = 9,351 : x
  2. Step 2: Convert to fraction form
    16,803/23,188.14 = 9,351/x
  3. Step 3: Cross multiply
    16,803x = 23,188.14 × 9,351
  4. Step 4: Simplify right side
    16,803x = 216,832,297.14
  5. Step 5: Solve for x
    x = 216,832,297.14/16,803
  6. Step 6: Final answer
    x = 12,904.38

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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.