Home / 22,731.36-34,117.36-11,645.60

Finding the Fourth Proportional to 22,731.36, 34,117.36 and 11,645.60

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Solution

The fourth proportional to 22,731.36, 34,117.36 and 11,645.60 is: 17,478.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,731.36 : 34,117.36 = 11,645.60 : x
  2. Step 2: Convert to fraction form
    22,731.36/34,117.36 = 11,645.60/x
  3. Step 3: Cross multiply
    22,731.36x = 34,117.36 × 11,645.60
  4. Step 4: Simplify right side
    22,731.36x = 397,317,127.62
  5. Step 5: Solve for x
    x = 397,317,127.62/22,731.36
  6. Step 6: Final answer
    x = 17,478.81

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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.