Home / 20,715.94-31,068.66-5,924.92

Finding the Fourth Proportional to 20,715.94, 31,068.66 and 5,924.92

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Solution

The fourth proportional to 20,715.94, 31,068.66 and 5,924.92 is: 8,885.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,715.94 : 31,068.66 = 5,924.92 : x
  2. Step 2: Convert to fraction form
    20,715.94/31,068.66 = 5,924.92/x
  3. Step 3: Cross multiply
    20,715.94x = 31,068.66 × 5,924.92
  4. Step 4: Simplify right side
    20,715.94x = 184,079,325.01
  5. Step 5: Solve for x
    x = 184,079,325.01/20,715.94
  6. Step 6: Final answer
    x = 8,885.88

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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.