Home / 22,078.08-30,458.86-13,577.48

Finding the Fourth Proportional to 22,078.08, 30,458.86 and 13,577.48

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Solution

The fourth proportional to 22,078.08, 30,458.86 and 13,577.48 is: 18,731.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,078.08 : 30,458.86 = 13,577.48 : x
  2. Step 2: Convert to fraction form
    22,078.08/30,458.86 = 13,577.48/x
  3. Step 3: Cross multiply
    22,078.08x = 30,458.86 × 13,577.48
  4. Step 4: Simplify right side
    22,078.08x = 413,554,562.47
  5. Step 5: Solve for x
    x = 413,554,562.47/22,078.08
  6. Step 6: Final answer
    x = 18,731.46

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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.