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Finding the Fourth Proportional to 18,574.35, 27,822.12 and 14,606.76

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Solution

The fourth proportional to 18,574.35, 27,822.12 and 14,606.76 is: 21,879.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,574.35 : 27,822.12 = 14,606.76 : x
  2. Step 2: Convert to fraction form
    18,574.35/27,822.12 = 14,606.76/x
  3. Step 3: Cross multiply
    18,574.35x = 27,822.12 × 14,606.76
  4. Step 4: Simplify right side
    18,574.35x = 406,391,079.09
  5. Step 5: Solve for x
    x = 406,391,079.09/18,574.35
  6. Step 6: Final answer
    x = 21,879.16

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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.