Home / 13,058.36-18,020.22-7,469

Finding the Fourth Proportional to 13,058.36, 18,020.22 and 7,469

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Solution

The fourth proportional to 13,058.36, 18,020.22 and 7,469 is: 10,307.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,058.36 : 18,020.22 = 7,469 : x
  2. Step 2: Convert to fraction form
    13,058.36/18,020.22 = 7,469/x
  3. Step 3: Cross multiply
    13,058.36x = 18,020.22 × 7,469
  4. Step 4: Simplify right side
    13,058.36x = 134,593,023.18
  5. Step 5: Solve for x
    x = 134,593,023.18/13,058.36
  6. Step 6: Final answer
    x = 10,307.04

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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.