Home / 20,887.16-31,327.65-6,092.10

Finding the Fourth Proportional to 20,887.16, 31,327.65 and 6,092.10

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Solution

The fourth proportional to 20,887.16, 31,327.65 and 6,092.10 is: 9,137.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,887.16 : 31,327.65 = 6,092.10 : x
  2. Step 2: Convert to fraction form
    20,887.16/31,327.65 = 6,092.10/x
  3. Step 3: Cross multiply
    20,887.16x = 31,327.65 × 6,092.10
  4. Step 4: Simplify right side
    20,887.16x = 190,851,176.57
  5. Step 5: Solve for x
    x = 190,851,176.57/20,887.16
  6. Step 6: Final answer
    x = 9,137.25

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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.