Home / 21,572.92-32,358.30-5,990.68

Finding the Fourth Proportional to 21,572.92, 32,358.30 and 5,990.68

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Solution

The fourth proportional to 21,572.92, 32,358.30 and 5,990.68 is: 8,985.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,572.92 : 32,358.30 = 5,990.68 : x
  2. Step 2: Convert to fraction form
    21,572.92/32,358.30 = 5,990.68/x
  3. Step 3: Cross multiply
    21,572.92x = 32,358.30 × 5,990.68
  4. Step 4: Simplify right side
    21,572.92x = 193,848,220.64
  5. Step 5: Solve for x
    x = 193,848,220.64/21,572.92
  6. Step 6: Final answer
    x = 8,985.72

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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.