Home / 20,741.48-31,116.81-5,949.26

Finding the Fourth Proportional to 20,741.48, 31,116.81 and 5,949.26

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Solution

The fourth proportional to 20,741.48, 31,116.81 and 5,949.26 is: 8,925.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,741.48 : 31,116.81 = 5,949.26 : x
  2. Step 2: Convert to fraction form
    20,741.48/31,116.81 = 5,949.26/x
  3. Step 3: Cross multiply
    20,741.48x = 31,116.81 × 5,949.26
  4. Step 4: Simplify right side
    20,741.48x = 185,121,837.48
  5. Step 5: Solve for x
    x = 185,121,837.48/20,741.48
  6. Step 6: Final answer
    x = 8,925.20

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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.