Home / 20,893.95-31,340.25-6,103.08

Finding the Fourth Proportional to 20,893.95, 31,340.25 and 6,103.08

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Solution

The fourth proportional to 20,893.95, 31,340.25 and 6,103.08 is: 9,154.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,893.95 : 31,340.25 = 6,103.08 : x
  2. Step 2: Convert to fraction form
    20,893.95/31,340.25 = 6,103.08/x
  3. Step 3: Cross multiply
    20,893.95x = 31,340.25 × 6,103.08
  4. Step 4: Simplify right side
    20,893.95x = 191,272,052.97
  5. Step 5: Solve for x
    x = 191,272,052.97/20,893.95
  6. Step 6: Final answer
    x = 9,154.42

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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.