Home / 20,609.83-30,913.15-6,570.66

Finding the Fourth Proportional to 20,609.83, 30,913.15 and 6,570.66

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Solution

The fourth proportional to 20,609.83, 30,913.15 and 6,570.66 is: 9,855.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,609.83 : 30,913.15 = 6,570.66 : x
  2. Step 2: Convert to fraction form
    20,609.83/30,913.15 = 6,570.66/x
  3. Step 3: Cross multiply
    20,609.83x = 30,913.15 × 6,570.66
  4. Step 4: Simplify right side
    20,609.83x = 203,119,798.18
  5. Step 5: Solve for x
    x = 203,119,798.18/20,609.83
  6. Step 6: Final answer
    x = 9,855.48

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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.