Home / 22,326.47-30,813.35-12,893.21

Finding the Fourth Proportional to 22,326.47, 30,813.35 and 12,893.21

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Solution

The fourth proportional to 22,326.47, 30,813.35 and 12,893.21 is: 17,794.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,326.47 : 30,813.35 = 12,893.21 : x
  2. Step 2: Convert to fraction form
    22,326.47/30,813.35 = 12,893.21/x
  3. Step 3: Cross multiply
    22,326.47x = 30,813.35 × 12,893.21
  4. Step 4: Simplify right side
    22,326.47x = 397,282,773.82
  5. Step 5: Solve for x
    x = 397,282,773.82/22,326.47
  6. Step 6: Final answer
    x = 17,794.25

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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.