Home / 20,048.32-30,073.16-6,900.56

Finding the Fourth Proportional to 20,048.32, 30,073.16 and 6,900.56

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Solution

The fourth proportional to 20,048.32, 30,073.16 and 6,900.56 is: 10,351.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,048.32 : 30,073.16 = 6,900.56 : x
  2. Step 2: Convert to fraction form
    20,048.32/30,073.16 = 6,900.56/x
  3. Step 3: Cross multiply
    20,048.32x = 30,073.16 × 6,900.56
  4. Step 4: Simplify right side
    20,048.32x = 207,521,644.97
  5. Step 5: Solve for x
    x = 207,521,644.97/20,048.32
  6. Step 6: Final answer
    x = 10,351.07

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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.