Home / 20,724.60-31,088.34-5,933.64

Finding the Fourth Proportional to 20,724.60, 31,088.34 and 5,933.64

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Solution

The fourth proportional to 20,724.60, 31,088.34 and 5,933.64 is: 8,900.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,724.60 : 31,088.34 = 5,933.64 : x
  2. Step 2: Convert to fraction form
    20,724.60/31,088.34 = 5,933.64/x
  3. Step 3: Cross multiply
    20,724.60x = 31,088.34 × 5,933.64
  4. Step 4: Simplify right side
    20,724.60x = 184,467,017.76
  5. Step 5: Solve for x
    x = 184,467,017.76/20,724.60
  6. Step 6: Final answer
    x = 8,900.87

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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.