Home / 20,443.52-30,669.70-6,210.83

Finding the Fourth Proportional to 20,443.52, 30,669.70 and 6,210.83

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Solution

The fourth proportional to 20,443.52, 30,669.70 and 6,210.83 is: 9,317.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,443.52 : 30,669.70 = 6,210.83 : x
  2. Step 2: Convert to fraction form
    20,443.52/30,669.70 = 6,210.83/x
  3. Step 3: Cross multiply
    20,443.52x = 30,669.70 × 6,210.83
  4. Step 4: Simplify right side
    20,443.52x = 190,484,292.85
  5. Step 5: Solve for x
    x = 190,484,292.85/20,443.52
  6. Step 6: Final answer
    x = 9,317.59

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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.