Home / 20,680.11-31,025.03-5,889.24

Finding the Fourth Proportional to 20,680.11, 31,025.03 and 5,889.24

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Solution

The fourth proportional to 20,680.11, 31,025.03 and 5,889.24 is: 8,835.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,680.11 : 31,025.03 = 5,889.24 : x
  2. Step 2: Convert to fraction form
    20,680.11/31,025.03 = 5,889.24/x
  3. Step 3: Cross multiply
    20,680.11x = 31,025.03 × 5,889.24
  4. Step 4: Simplify right side
    20,680.11x = 182,713,818.23
  5. Step 5: Solve for x
    x = 182,713,818.23/20,680.11
  6. Step 6: Final answer
    x = 8,835.24

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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.