Home / 20,675.18-31,012.05-5,884.18

Finding the Fourth Proportional to 20,675.18, 31,012.05 and 5,884.18

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Solution

The fourth proportional to 20,675.18, 31,012.05 and 5,884.18 is: 8,826.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,675.18 : 31,012.05 = 5,884.18 : x
  2. Step 2: Convert to fraction form
    20,675.18/31,012.05 = 5,884.18/x
  3. Step 3: Cross multiply
    20,675.18x = 31,012.05 × 5,884.18
  4. Step 4: Simplify right side
    20,675.18x = 182,480,484.37
  5. Step 5: Solve for x
    x = 182,480,484.37/20,675.18
  6. Step 6: Final answer
    x = 8,826.07

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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.