Home / 13,271.52-18,305.26-10,995.68

Finding the Fourth Proportional to 13,271.52, 18,305.26 and 10,995.68

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Solution

The fourth proportional to 13,271.52, 18,305.26 and 10,995.68 is: 15,166.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,271.52 : 18,305.26 = 10,995.68 : x
  2. Step 2: Convert to fraction form
    13,271.52/18,305.26 = 10,995.68/x
  3. Step 3: Cross multiply
    13,271.52x = 18,305.26 × 10,995.68
  4. Step 4: Simplify right side
    13,271.52x = 201,278,781.28
  5. Step 5: Solve for x
    x = 201,278,781.28/13,271.52
  6. Step 6: Final answer
    x = 15,166.22

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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.