Home / 21,715.36-32,573.37-6,936.70

Finding the Fourth Proportional to 21,715.36, 32,573.37 and 6,936.70

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Solution

The fourth proportional to 21,715.36, 32,573.37 and 6,936.70 is: 10,405.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,715.36 : 32,573.37 = 6,936.70 : x
  2. Step 2: Convert to fraction form
    21,715.36/32,573.37 = 6,936.70/x
  3. Step 3: Cross multiply
    21,715.36x = 32,573.37 × 6,936.70
  4. Step 4: Simplify right side
    21,715.36x = 225,951,695.68
  5. Step 5: Solve for x
    x = 225,951,695.68/21,715.36
  6. Step 6: Final answer
    x = 10,405.16

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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.