Home / 14,339.76-19,789.08-8,052.72

Finding the Fourth Proportional to 14,339.76, 19,789.08 and 8,052.72

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Solution

The fourth proportional to 14,339.76, 19,789.08 and 8,052.72 is: 11,112.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,339.76 : 19,789.08 = 8,052.72 : x
  2. Step 2: Convert to fraction form
    14,339.76/19,789.08 = 8,052.72/x
  3. Step 3: Cross multiply
    14,339.76x = 19,789.08 × 8,052.72
  4. Step 4: Simplify right side
    14,339.76x = 159,355,920.30
  5. Step 5: Solve for x
    x = 159,355,920.30/14,339.76
  6. Step 6: Final answer
    x = 11,112.87

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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.