Home / 13,724.03-18,938.73-8,058.68

Finding the Fourth Proportional to 13,724.03, 18,938.73 and 8,058.68

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Solution

The fourth proportional to 13,724.03, 18,938.73 and 8,058.68 is: 11,120.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,724.03 : 18,938.73 = 8,058.68 : x
  2. Step 2: Convert to fraction form
    13,724.03/18,938.73 = 8,058.68/x
  3. Step 3: Cross multiply
    13,724.03x = 18,938.73 × 8,058.68
  4. Step 4: Simplify right side
    13,724.03x = 152,621,164.68
  5. Step 5: Solve for x
    x = 152,621,164.68/13,724.03
  6. Step 6: Final answer
    x = 11,120.73

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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.