Home / 14,046.64-19,383.56-8,387.77

Finding the Fourth Proportional to 14,046.64, 19,383.56 and 8,387.77

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Solution

The fourth proportional to 14,046.64, 19,383.56 and 8,387.77 is: 11,574.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,046.64 : 19,383.56 = 8,387.77 : x
  2. Step 2: Convert to fraction form
    14,046.64/19,383.56 = 8,387.77/x
  3. Step 3: Cross multiply
    14,046.64x = 19,383.56 × 8,387.77
  4. Step 4: Simplify right side
    14,046.64x = 162,584,843.06
  5. Step 5: Solve for x
    x = 162,584,843.06/14,046.64
  6. Step 6: Final answer
    x = 11,574.64

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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.