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Finding the Fourth Proportional to 18,124.22, 27,194.15 and 9,810.10

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Solution

The fourth proportional to 18,124.22, 27,194.15 and 9,810.10 is: 14,719.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,124.22 : 27,194.15 = 9,810.10 : x
  2. Step 2: Convert to fraction form
    18,124.22/27,194.15 = 9,810.10/x
  3. Step 3: Cross multiply
    18,124.22x = 27,194.15 × 9,810.10
  4. Step 4: Simplify right side
    18,124.22x = 266,777,330.92
  5. Step 5: Solve for x
    x = 266,777,330.92/18,124.22
  6. Step 6: Final answer
    x = 14,719.38

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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.