Home / 20,863.11-31,297.71-6,070.11

Finding the Fourth Proportional to 20,863.11, 31,297.71 and 6,070.11

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Solution

The fourth proportional to 20,863.11, 31,297.71 and 6,070.11 is: 9,106.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,863.11 : 31,297.71 = 6,070.11 : x
  2. Step 2: Convert to fraction form
    20,863.11/31,297.71 = 6,070.11/x
  3. Step 3: Cross multiply
    20,863.11x = 31,297.71 × 6,070.11
  4. Step 4: Simplify right side
    20,863.11x = 189,980,542.45
  5. Step 5: Solve for x
    x = 189,980,542.45/20,863.11
  6. Step 6: Final answer
    x = 9,106.05

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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.