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Finding the Fourth Proportional to 14,335.11, 19,785.26 and 8,047.11

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Solution

The fourth proportional to 14,335.11, 19,785.26 and 8,047.11 is: 11,106.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,335.11 : 19,785.26 = 8,047.11 : x
  2. Step 2: Convert to fraction form
    14,335.11/19,785.26 = 8,047.11/x
  3. Step 3: Cross multiply
    14,335.11x = 19,785.26 × 8,047.11
  4. Step 4: Simplify right side
    14,335.11x = 159,214,123.36
  5. Step 5: Solve for x
    x = 159,214,123.36/14,335.11
  6. Step 6: Final answer
    x = 11,106.59

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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.