Home / 43,215.64-64,823.45-10,383.64

Finding the Fourth Proportional to 43,215.64, 64,823.45 and 10,383.64

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Solution

The fourth proportional to 43,215.64, 64,823.45 and 10,383.64 is: 15,575.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,215.64 : 64,823.45 = 10,383.64 : x
  2. Step 2: Convert to fraction form
    43,215.64/64,823.45 = 10,383.64/x
  3. Step 3: Cross multiply
    43,215.64x = 64,823.45 × 10,383.64
  4. Step 4: Simplify right side
    43,215.64x = 673,103,316.44
  5. Step 5: Solve for x
    x = 673,103,316.44/43,215.64
  6. Step 6: Final answer
    x = 15,575.46

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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.