Home / 14,109.52-19,472.34-8,141.44

Finding the Fourth Proportional to 14,109.52, 19,472.34 and 8,141.44

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Solution

The fourth proportional to 14,109.52, 19,472.34 and 8,141.44 is: 11,235.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,109.52 : 19,472.34 = 8,141.44 : x
  2. Step 2: Convert to fraction form
    14,109.52/19,472.34 = 8,141.44/x
  3. Step 3: Cross multiply
    14,109.52x = 19,472.34 × 8,141.44
  4. Step 4: Simplify right side
    14,109.52x = 158,532,887.77
  5. Step 5: Solve for x
    x = 158,532,887.77/14,109.52
  6. Step 6: Final answer
    x = 11,235.88

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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.