Home / 20,758.59-31,137.71-5,967.45

Finding the Fourth Proportional to 20,758.59, 31,137.71 and 5,967.45

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Solution

The fourth proportional to 20,758.59, 31,137.71 and 5,967.45 is: 8,951.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,758.59 : 31,137.71 = 5,967.45 : x
  2. Step 2: Convert to fraction form
    20,758.59/31,137.71 = 5,967.45/x
  3. Step 3: Cross multiply
    20,758.59x = 31,137.71 × 5,967.45
  4. Step 4: Simplify right side
    20,758.59x = 185,812,697.70
  5. Step 5: Solve for x
    x = 185,812,697.70/20,758.59
  6. Step 6: Final answer
    x = 8,951.12

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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.