Home / 13,058.18-18,020.27-7,090.00

Finding the Fourth Proportional to 13,058.18, 18,020.27 and 7,090.00

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Solution

The fourth proportional to 13,058.18, 18,020.27 and 7,090.00 is: 9,784.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,058.18 : 18,020.27 = 7,090.00 : x
  2. Step 2: Convert to fraction form
    13,058.18/18,020.27 = 7,090.00/x
  3. Step 3: Cross multiply
    13,058.18x = 18,020.27 × 7,090.00
  4. Step 4: Simplify right side
    13,058.18x = 127,763,686.97
  5. Step 5: Solve for x
    x = 127,763,686.97/13,058.18
  6. Step 6: Final answer
    x = 9,784.19

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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.