Home / 27,336.21-40,975.11-19,521.33

Finding the Fourth Proportional to 27,336.21, 40,975.11 and 19,521.33

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Solution

The fourth proportional to 27,336.21, 40,975.11 and 19,521.33 is: 29,261.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,336.21 : 40,975.11 = 19,521.33 : x
  2. Step 2: Convert to fraction form
    27,336.21/40,975.11 = 19,521.33/x
  3. Step 3: Cross multiply
    27,336.21x = 40,975.11 × 19,521.33
  4. Step 4: Simplify right side
    27,336.21x = 799,888,644.10
  5. Step 5: Solve for x
    x = 799,888,644.10/27,336.21
  6. Step 6: Final answer
    x = 29,261.14

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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.