Home / 20,467.48-30,701.74-15,306.12

Finding the Fourth Proportional to 20,467.48, 30,701.74 and 15,306.12

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Solution

The fourth proportional to 20,467.48, 30,701.74 and 15,306.12 is: 22,959.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,467.48 : 30,701.74 = 15,306.12 : x
  2. Step 2: Convert to fraction form
    20,467.48/30,701.74 = 15,306.12/x
  3. Step 3: Cross multiply
    20,467.48x = 30,701.74 × 15,306.12
  4. Step 4: Simplify right side
    20,467.48x = 469,924,516.65
  5. Step 5: Solve for x
    x = 469,924,516.65/20,467.48
  6. Step 6: Final answer
    x = 22,959.57

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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.