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Finding the Fourth Proportional to 18,974.00, 26,182.13 and 11,014.67

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Solution

The fourth proportional to 18,974.00, 26,182.13 and 11,014.67 is: 15,199.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,974.00 : 26,182.13 = 11,014.67 : x
  2. Step 2: Convert to fraction form
    18,974.00/26,182.13 = 11,014.67/x
  3. Step 3: Cross multiply
    18,974.00x = 26,182.13 × 11,014.67
  4. Step 4: Simplify right side
    18,974.00x = 288,387,335.86
  5. Step 5: Solve for x
    x = 288,387,335.86/18,974.00
  6. Step 6: Final answer
    x = 15,199.08

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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.