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Finding the Fourth Proportional to 18,197.84, 27,337.80 and 10,807.13

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Solution

The fourth proportional to 18,197.84, 27,337.80 and 10,807.13 is: 16,235.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,197.84 : 27,337.80 = 10,807.13 : x
  2. Step 2: Convert to fraction form
    18,197.84/27,337.80 = 10,807.13/x
  3. Step 3: Cross multiply
    18,197.84x = 27,337.80 × 10,807.13
  4. Step 4: Simplify right side
    18,197.84x = 295,443,158.51
  5. Step 5: Solve for x
    x = 295,443,158.51/18,197.84
  6. Step 6: Final answer
    x = 16,235.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.