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Finding the Fourth Proportional to 18,240.84, 27,341.46 and 9,343.98

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Solution

The fourth proportional to 18,240.84, 27,341.46 and 9,343.98 is: 14,005.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,240.84 : 27,341.46 = 9,343.98 : x
  2. Step 2: Convert to fraction form
    18,240.84/27,341.46 = 9,343.98/x
  3. Step 3: Cross multiply
    18,240.84x = 27,341.46 × 9,343.98
  4. Step 4: Simplify right side
    18,240.84x = 255,478,055.41
  5. Step 5: Solve for x
    x = 255,478,055.41/18,240.84
  6. Step 6: Final answer
    x = 14,005.83

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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.