Home / 20,724.40-31,090.74-5,933.44

Finding the Fourth Proportional to 20,724.40, 31,090.74 and 5,933.44

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Solution

The fourth proportional to 20,724.40, 31,090.74 and 5,933.44 is: 8,901.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,724.40 : 31,090.74 = 5,933.44 : x
  2. Step 2: Convert to fraction form
    20,724.40/31,090.74 = 5,933.44/x
  3. Step 3: Cross multiply
    20,724.40x = 31,090.74 × 5,933.44
  4. Step 4: Simplify right side
    20,724.40x = 184,475,040.35
  5. Step 5: Solve for x
    x = 184,475,040.35/20,724.40
  6. Step 6: Final answer
    x = 8,901.35

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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.