Home / 18,147.45-25,042.83-10,190.01

Finding the Fourth Proportional to 18,147.45, 25,042.83 and 10,190.01

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Solution

The fourth proportional to 18,147.45, 25,042.83 and 10,190.01 is: 14,061.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,147.45 : 25,042.83 = 10,190.01 : x
  2. Step 2: Convert to fraction form
    18,147.45/25,042.83 = 10,190.01/x
  3. Step 3: Cross multiply
    18,147.45x = 25,042.83 × 10,190.01
  4. Step 4: Simplify right side
    18,147.45x = 255,186,688.13
  5. Step 5: Solve for x
    x = 255,186,688.13/18,147.45
  6. Step 6: Final answer
    x = 14,061.85

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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.