Home / 13,462.95-18,581.97-8,739.03

Finding the Fourth Proportional to 13,462.95, 18,581.97 and 8,739.03

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Solution

The fourth proportional to 13,462.95, 18,581.97 and 8,739.03 is: 12,061.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,462.95 : 18,581.97 = 8,739.03 : x
  2. Step 2: Convert to fraction form
    13,462.95/18,581.97 = 8,739.03/x
  3. Step 3: Cross multiply
    13,462.95x = 18,581.97 × 8,739.03
  4. Step 4: Simplify right side
    13,462.95x = 162,388,393.29
  5. Step 5: Solve for x
    x = 162,388,393.29/13,462.95
  6. Step 6: Final answer
    x = 12,061.87

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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.