Home / 20,350.74-30,529.17-7,203.24

Finding the Fourth Proportional to 20,350.74, 30,529.17 and 7,203.24

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Solution

The fourth proportional to 20,350.74, 30,529.17 and 7,203.24 is: 10,805.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,350.74 : 30,529.17 = 7,203.24 : x
  2. Step 2: Convert to fraction form
    20,350.74/30,529.17 = 7,203.24/x
  3. Step 3: Cross multiply
    20,350.74x = 30,529.17 × 7,203.24
  4. Step 4: Simplify right side
    20,350.74x = 219,908,938.51
  5. Step 5: Solve for x
    x = 219,908,938.51/20,350.74
  6. Step 6: Final answer
    x = 10,805.94

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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.