Home / 21,530.53-32,295.81-11,732.09

Finding the Fourth Proportional to 21,530.53, 32,295.81 and 11,732.09

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Solution

The fourth proportional to 21,530.53, 32,295.81 and 11,732.09 is: 17,598.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,530.53 : 32,295.81 = 11,732.09 : x
  2. Step 2: Convert to fraction form
    21,530.53/32,295.81 = 11,732.09/x
  3. Step 3: Cross multiply
    21,530.53x = 32,295.81 × 11,732.09
  4. Step 4: Simplify right side
    21,530.53x = 378,897,349.54
  5. Step 5: Solve for x
    x = 378,897,349.54/21,530.53
  6. Step 6: Final answer
    x = 17,598.14

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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.