Home / 14,046.80-19,385.48-8,078.33

Finding the Fourth Proportional to 14,046.80, 19,385.48 and 8,078.33

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Solution

The fourth proportional to 14,046.80, 19,385.48 and 8,078.33 is: 11,148.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,046.80 : 19,385.48 = 8,078.33 : x
  2. Step 2: Convert to fraction form
    14,046.80/19,385.48 = 8,078.33/x
  3. Step 3: Cross multiply
    14,046.80x = 19,385.48 × 8,078.33
  4. Step 4: Simplify right side
    14,046.80x = 156,602,373.31
  5. Step 5: Solve for x
    x = 156,602,373.31/14,046.80
  6. Step 6: Final answer
    x = 11,148.62

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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.