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Finding the Fourth Proportional to 14,335.85, 19,785.18 and 8,049.17

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Solution

The fourth proportional to 14,335.85, 19,785.18 and 8,049.17 is: 11,108.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,335.85 : 19,785.18 = 8,049.17 : x
  2. Step 2: Convert to fraction form
    14,335.85/19,785.18 = 8,049.17/x
  3. Step 3: Cross multiply
    14,335.85x = 19,785.18 × 8,049.17
  4. Step 4: Simplify right side
    14,335.85x = 159,254,178.37
  5. Step 5: Solve for x
    x = 159,254,178.37/14,335.85
  6. Step 6: Final answer
    x = 11,108.81

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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.