Home / 20,398.56-30,573.24-10,532.46

Finding the Fourth Proportional to 20,398.56, 30,573.24 and 10,532.46

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Solution

The fourth proportional to 20,398.56, 30,573.24 and 10,532.46 is: 15,785.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,398.56 : 30,573.24 = 10,532.46 : x
  2. Step 2: Convert to fraction form
    20,398.56/30,573.24 = 10,532.46/x
  3. Step 3: Cross multiply
    20,398.56x = 30,573.24 × 10,532.46
  4. Step 4: Simplify right side
    20,398.56x = 322,011,273.22
  5. Step 5: Solve for x
    x = 322,011,273.22/20,398.56
  6. Step 6: Final answer
    x = 15,785.98

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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.