Home / 20,833.41-31,267.62-8,996.13

Finding the Fourth Proportional to 20,833.41, 31,267.62 and 8,996.13

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Solution

The fourth proportional to 20,833.41, 31,267.62 and 8,996.13 is: 13,501.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,833.41 : 31,267.62 = 8,996.13 : x
  2. Step 2: Convert to fraction form
    20,833.41/31,267.62 = 8,996.13/x
  3. Step 3: Cross multiply
    20,833.41x = 31,267.62 × 8,996.13
  4. Step 4: Simplify right side
    20,833.41x = 281,287,574.31
  5. Step 5: Solve for x
    x = 281,287,574.31/20,833.41
  6. Step 6: Final answer
    x = 13,501.75

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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.