Home / 22,611.15-33,903.06-10,128.85

Finding the Fourth Proportional to 22,611.15, 33,903.06 and 10,128.85

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Solution

The fourth proportional to 22,611.15, 33,903.06 and 10,128.85 is: 15,187.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,611.15 : 33,903.06 = 10,128.85 : x
  2. Step 2: Convert to fraction form
    22,611.15/33,903.06 = 10,128.85/x
  3. Step 3: Cross multiply
    22,611.15x = 33,903.06 × 10,128.85
  4. Step 4: Simplify right side
    22,611.15x = 343,398,886.54
  5. Step 5: Solve for x
    x = 343,398,886.54/22,611.15
  6. Step 6: Final answer
    x = 15,187.15

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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.