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Finding the Fourth Proportional to 18,886.99, 26,064.03 and 10,823.27

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Solution

The fourth proportional to 18,886.99, 26,064.03 and 10,823.27 is: 14,936.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,886.99 : 26,064.03 = 10,823.27 : x
  2. Step 2: Convert to fraction form
    18,886.99/26,064.03 = 10,823.27/x
  3. Step 3: Cross multiply
    18,886.99x = 26,064.03 × 10,823.27
  4. Step 4: Simplify right side
    18,886.99x = 282,098,029.97
  5. Step 5: Solve for x
    x = 282,098,029.97/18,886.99
  6. Step 6: Final answer
    x = 14,936.10

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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.