Home / 20,724.68-31,080.86-5,934.92

Finding the Fourth Proportional to 20,724.68, 31,080.86 and 5,934.92

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Solution

The fourth proportional to 20,724.68, 31,080.86 and 5,934.92 is: 8,900.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,724.68 : 31,080.86 = 5,934.92 : x
  2. Step 2: Convert to fraction form
    20,724.68/31,080.86 = 5,934.92/x
  3. Step 3: Cross multiply
    20,724.68x = 31,080.86 × 5,934.92
  4. Step 4: Simplify right side
    20,724.68x = 184,462,417.63
  5. Step 5: Solve for x
    x = 184,462,417.63/20,724.68
  6. Step 6: Final answer
    x = 8,900.62

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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.