Home / 15,106.27-20,846.07-8,392.33

Finding the Fourth Proportional to 15,106.27, 20,846.07 and 8,392.33

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Solution

The fourth proportional to 15,106.27, 20,846.07 and 8,392.33 is: 11,581.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,106.27 : 20,846.07 = 8,392.33 : x
  2. Step 2: Convert to fraction form
    15,106.27/20,846.07 = 8,392.33/x
  3. Step 3: Cross multiply
    15,106.27x = 20,846.07 × 8,392.33
  4. Step 4: Simplify right side
    15,106.27x = 174,947,098.64
  5. Step 5: Solve for x
    x = 174,947,098.64/15,106.27
  6. Step 6: Final answer
    x = 11,581.09

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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.