Home / 43,112.25-64,668.31-13,532.36

Finding the Fourth Proportional to 43,112.25, 64,668.31 and 13,532.36

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Solution

The fourth proportional to 43,112.25, 64,668.31 and 13,532.36 is: 20,298.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,112.25 : 64,668.31 = 13,532.36 : x
  2. Step 2: Convert to fraction form
    43,112.25/64,668.31 = 13,532.36/x
  3. Step 3: Cross multiply
    43,112.25x = 64,668.31 × 13,532.36
  4. Step 4: Simplify right side
    43,112.25x = 875,114,494.34
  5. Step 5: Solve for x
    x = 875,114,494.34/43,112.25
  6. Step 6: Final answer
    x = 20,298.51

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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.