Home / 43,215.31-64,822.97-10,383.31

Finding the Fourth Proportional to 43,215.31, 64,822.97 and 10,383.31

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Solution

The fourth proportional to 43,215.31, 64,822.97 and 10,383.31 is: 15,574.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,215.31 : 64,822.97 = 10,383.31 : x
  2. Step 2: Convert to fraction form
    43,215.31/64,822.97 = 10,383.31/x
  3. Step 3: Cross multiply
    43,215.31x = 64,822.97 × 10,383.31
  4. Step 4: Simplify right side
    43,215.31x = 673,076,992.63
  5. Step 5: Solve for x
    x = 673,076,992.63/43,215.31
  6. Step 6: Final answer
    x = 15,574.97

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.