Home / 43,215.25-64,822.88-10,383.25

Finding the Fourth Proportional to 43,215.25, 64,822.88 and 10,383.25

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Solution

The fourth proportional to 43,215.25, 64,822.88 and 10,383.25 is: 15,574.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,215.25 : 64,822.88 = 10,383.25 : x
  2. Step 2: Convert to fraction form
    43,215.25/64,822.88 = 10,383.25/x
  3. Step 3: Cross multiply
    43,215.25x = 64,822.88 × 10,383.25
  4. Step 4: Simplify right side
    43,215.25x = 673,072,168.76
  5. Step 5: Solve for x
    x = 673,072,168.76/43,215.25
  6. Step 6: Final answer
    x = 15,574.88

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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.