Home / 20,184.10-30,280.76-6,146.12

Finding the Fourth Proportional to 20,184.10, 30,280.76 and 6,146.12

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Solution

The fourth proportional to 20,184.10, 30,280.76 and 6,146.12 is: 9,220.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,184.10 : 30,280.76 = 6,146.12 : x
  2. Step 2: Convert to fraction form
    20,184.10/30,280.76 = 6,146.12/x
  3. Step 3: Cross multiply
    20,184.10x = 30,280.76 × 6,146.12
  4. Step 4: Simplify right side
    20,184.10x = 186,109,184.65
  5. Step 5: Solve for x
    x = 186,109,184.65/20,184.10
  6. Step 6: Final answer
    x = 9,220.58

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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.