Home / 20,874.48-31,312.34-6,083.08

Finding the Fourth Proportional to 20,874.48, 31,312.34 and 6,083.08

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Solution

The fourth proportional to 20,874.48, 31,312.34 and 6,083.08 is: 9,124.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,874.48 : 31,312.34 = 6,083.08 : x
  2. Step 2: Convert to fraction form
    20,874.48/31,312.34 = 6,083.08/x
  3. Step 3: Cross multiply
    20,874.48x = 31,312.34 × 6,083.08
  4. Step 4: Simplify right side
    20,874.48x = 190,475,469.21
  5. Step 5: Solve for x
    x = 190,475,469.21/20,874.48
  6. Step 6: Final answer
    x = 9,124.80

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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.