Home / 18,137.46-25,029.81-10,071.23

Finding the Fourth Proportional to 18,137.46, 25,029.81 and 10,071.23

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Solution

The fourth proportional to 18,137.46, 25,029.81 and 10,071.23 is: 13,898.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,137.46 : 25,029.81 = 10,071.23 : x
  2. Step 2: Convert to fraction form
    18,137.46/25,029.81 = 10,071.23/x
  3. Step 3: Cross multiply
    18,137.46x = 25,029.81 × 10,071.23
  4. Step 4: Simplify right side
    18,137.46x = 252,080,923.01
  5. Step 5: Solve for x
    x = 252,080,923.01/18,137.46
  6. Step 6: Final answer
    x = 13,898.36

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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.