Home / 13,079.85-19,613.62-4,753.99

Finding the Fourth Proportional to 13,079.85, 19,613.62 and 4,753.99

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Solution

The fourth proportional to 13,079.85, 19,613.62 and 4,753.99 is: 7,128.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,079.85 : 19,613.62 = 4,753.99 : x
  2. Step 2: Convert to fraction form
    13,079.85/19,613.62 = 4,753.99/x
  3. Step 3: Cross multiply
    13,079.85x = 19,613.62 × 4,753.99
  4. Step 4: Simplify right side
    13,079.85x = 93,242,953.34
  5. Step 5: Solve for x
    x = 93,242,953.34/13,079.85
  6. Step 6: Final answer
    x = 7,128.75

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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.