Home / 18,173.22-25,048.20-13,864.83

Finding the Fourth Proportional to 18,173.22, 25,048.20 and 13,864.83

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Solution

The fourth proportional to 18,173.22, 25,048.20 and 13,864.83 is: 19,109.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,173.22 : 25,048.20 = 13,864.83 : x
  2. Step 2: Convert to fraction form
    18,173.22/25,048.20 = 13,864.83/x
  3. Step 3: Cross multiply
    18,173.22x = 25,048.20 × 13,864.83
  4. Step 4: Simplify right side
    18,173.22x = 347,289,034.81
  5. Step 5: Solve for x
    x = 347,289,034.81/18,173.22
  6. Step 6: Final answer
    x = 19,109.93

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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.