Home / 20,933.19-31,366.97-17,800.32

Finding the Fourth Proportional to 20,933.19, 31,366.97 and 17,800.32

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Solution

The fourth proportional to 20,933.19, 31,366.97 and 17,800.32 is: 26,672.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,933.19 : 31,366.97 = 17,800.32 : x
  2. Step 2: Convert to fraction form
    20,933.19/31,366.97 = 17,800.32/x
  3. Step 3: Cross multiply
    20,933.19x = 31,366.97 × 17,800.32
  4. Step 4: Simplify right side
    20,933.19x = 558,342,014.43
  5. Step 5: Solve for x
    x = 558,342,014.43/20,933.19
  6. Step 6: Final answer
    x = 26,672.57

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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.