Home / 13,058.03-18,020.59-7,393.02

Finding the Fourth Proportional to 13,058.03, 18,020.59 and 7,393.02

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Solution

The fourth proportional to 13,058.03, 18,020.59 and 7,393.02 is: 10,202.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,058.03 : 18,020.59 = 7,393.02 : x
  2. Step 2: Convert to fraction form
    13,058.03/18,020.59 = 7,393.02/x
  3. Step 3: Cross multiply
    13,058.03x = 18,020.59 × 7,393.02
  4. Step 4: Simplify right side
    13,058.03x = 133,226,582.28
  5. Step 5: Solve for x
    x = 133,226,582.28/13,058.03
  6. Step 6: Final answer
    x = 10,202.66

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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.