Home / 13,617.06-18,790.92-7,952.10

Finding the Fourth Proportional to 13,617.06, 18,790.92 and 7,952.10

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Solution

The fourth proportional to 13,617.06, 18,790.92 and 7,952.10 is: 10,973.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,617.06 : 18,790.92 = 7,952.10 : x
  2. Step 2: Convert to fraction form
    13,617.06/18,790.92 = 7,952.10/x
  3. Step 3: Cross multiply
    13,617.06x = 18,790.92 × 7,952.10
  4. Step 4: Simplify right side
    13,617.06x = 149,427,274.93
  5. Step 5: Solve for x
    x = 149,427,274.93/13,617.06
  6. Step 6: Final answer
    x = 10,973.53

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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.