Home / 13,023.73-17,972.75-7,055.38

Finding the Fourth Proportional to 13,023.73, 17,972.75 and 7,055.38

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Solution

The fourth proportional to 13,023.73, 17,972.75 and 7,055.38 is: 9,736.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,023.73 : 17,972.75 = 7,055.38 : x
  2. Step 2: Convert to fraction form
    13,023.73/17,972.75 = 7,055.38/x
  3. Step 3: Cross multiply
    13,023.73x = 17,972.75 × 7,055.38
  4. Step 4: Simplify right side
    13,023.73x = 126,804,580.90
  5. Step 5: Solve for x
    x = 126,804,580.90/13,023.73
  6. Step 6: Final answer
    x = 9,736.43

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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.