Home / 55,271.26-82,906.89-13,718.26

Finding the Fourth Proportional to 55,271.26, 82,906.89 and 13,718.26

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Solution

The fourth proportional to 55,271.26, 82,906.89 and 13,718.26 is: 20,577.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,271.26 : 82,906.89 = 13,718.26 : x
  2. Step 2: Convert to fraction form
    55,271.26/82,906.89 = 13,718.26/x
  3. Step 3: Cross multiply
    55,271.26x = 82,906.89 × 13,718.26
  4. Step 4: Simplify right side
    55,271.26x = 1,137,338,402.17
  5. Step 5: Solve for x
    x = 1,137,338,402.17/55,271.26
  6. Step 6: Final answer
    x = 20,577.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.