Home / 20,524.81-28,324.20-11,093.35

Finding the Fourth Proportional to 20,524.81, 28,324.20 and 11,093.35

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Solution

The fourth proportional to 20,524.81, 28,324.20 and 11,093.35 is: 15,308.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,524.81 : 28,324.20 = 11,093.35 : x
  2. Step 2: Convert to fraction form
    20,524.81/28,324.20 = 11,093.35/x
  3. Step 3: Cross multiply
    20,524.81x = 28,324.20 × 11,093.35
  4. Step 4: Simplify right side
    20,524.81x = 314,210,264.07
  5. Step 5: Solve for x
    x = 314,210,264.07/20,524.81
  6. Step 6: Final answer
    x = 15,308.80

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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.