Home / 43,215.14-64,822.69-10,383.14

Finding the Fourth Proportional to 43,215.14, 64,822.69 and 10,383.14

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Solution

The fourth proportional to 43,215.14, 64,822.69 and 10,383.14 is: 15,574.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,215.14 : 64,822.69 = 10,383.14 : x
  2. Step 2: Convert to fraction form
    43,215.14/64,822.69 = 10,383.14/x
  3. Step 3: Cross multiply
    43,215.14x = 64,822.69 × 10,383.14
  4. Step 4: Simplify right side
    43,215.14x = 673,063,065.45
  5. Step 5: Solve for x
    x = 673,063,065.45/43,215.14
  6. Step 6: Final answer
    x = 15,574.71

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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.