Home / 32,719.33-45,147.39-18,378.48

Finding the Fourth Proportional to 32,719.33, 45,147.39 and 18,378.48

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Solution

The fourth proportional to 32,719.33, 45,147.39 and 18,378.48 is: 25,359.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,719.33 : 45,147.39 = 18,378.48 : x
  2. Step 2: Convert to fraction form
    32,719.33/45,147.39 = 18,378.48/x
  3. Step 3: Cross multiply
    32,719.33x = 45,147.39 × 18,378.48
  4. Step 4: Simplify right side
    32,719.33x = 829,740,404.17
  5. Step 5: Solve for x
    x = 829,740,404.17/32,719.33
  6. Step 6: Final answer
    x = 25,359.33

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.