Home / 20,074.16-30,115.28-6,927.04

Finding the Fourth Proportional to 20,074.16, 30,115.28 and 6,927.04

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Solution

The fourth proportional to 20,074.16, 30,115.28 and 6,927.04 is: 10,391.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,074.16 : 30,115.28 = 6,927.04 : x
  2. Step 2: Convert to fraction form
    20,074.16/30,115.28 = 6,927.04/x
  3. Step 3: Cross multiply
    20,074.16x = 30,115.28 × 6,927.04
  4. Step 4: Simplify right side
    20,074.16x = 208,609,749.17
  5. Step 5: Solve for x
    x = 208,609,749.17/20,074.16
  6. Step 6: Final answer
    x = 10,391.95

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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.