Home / 20,707.92-31,056.68-5,916.92

Finding the Fourth Proportional to 20,707.92, 31,056.68 and 5,916.92

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Solution

The fourth proportional to 20,707.92, 31,056.68 and 5,916.92 is: 8,873.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,707.92 : 31,056.68 = 5,916.92 : x
  2. Step 2: Convert to fraction form
    20,707.92/31,056.68 = 5,916.92/x
  3. Step 3: Cross multiply
    20,707.92x = 31,056.68 × 5,916.92
  4. Step 4: Simplify right side
    20,707.92x = 183,759,891.03
  5. Step 5: Solve for x
    x = 183,759,891.03/20,707.92
  6. Step 6: Final answer
    x = 8,873.89

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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.