Home / 26,212.64-39,280.56-15,122.72

Finding the Fourth Proportional to 26,212.64, 39,280.56 and 15,122.72

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Solution

The fourth proportional to 26,212.64, 39,280.56 and 15,122.72 is: 22,661.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,212.64 : 39,280.56 = 15,122.72 : x
  2. Step 2: Convert to fraction form
    26,212.64/39,280.56 = 15,122.72/x
  3. Step 3: Cross multiply
    26,212.64x = 39,280.56 × 15,122.72
  4. Step 4: Simplify right side
    26,212.64x = 594,028,910.32
  5. Step 5: Solve for x
    x = 594,028,910.32/26,212.64
  6. Step 6: Final answer
    x = 22,661.93

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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.