Home / 20,607.92-28,437.39-11,532.08

Finding the Fourth Proportional to 20,607.92, 28,437.39 and 11,532.08

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Solution

The fourth proportional to 20,607.92, 28,437.39 and 11,532.08 is: 15,913.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,607.92 : 28,437.39 = 11,532.08 : x
  2. Step 2: Convert to fraction form
    20,607.92/28,437.39 = 11,532.08/x
  3. Step 3: Cross multiply
    20,607.92x = 28,437.39 × 11,532.08
  4. Step 4: Simplify right side
    20,607.92x = 327,942,327.56
  5. Step 5: Solve for x
    x = 327,942,327.56/20,607.92
  6. Step 6: Final answer
    x = 15,913.41

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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.