Home / 14,613.03-20,166.13-7,898.79

Finding the Fourth Proportional to 14,613.03, 20,166.13 and 7,898.79

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Solution

The fourth proportional to 14,613.03, 20,166.13 and 7,898.79 is: 10,900.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,613.03 : 20,166.13 = 7,898.79 : x
  2. Step 2: Convert to fraction form
    14,613.03/20,166.13 = 7,898.79/x
  3. Step 3: Cross multiply
    14,613.03x = 20,166.13 × 7,898.79
  4. Step 4: Simplify right side
    14,613.03x = 159,287,998.04
  5. Step 5: Solve for x
    x = 159,287,998.04/14,613.03
  6. Step 6: Final answer
    x = 10,900.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.