Home / 18,175.24-25,080.42-10,215.91

Finding the Fourth Proportional to 18,175.24, 25,080.42 and 10,215.91

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Solution

The fourth proportional to 18,175.24, 25,080.42 and 10,215.91 is: 14,097.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,175.24 : 25,080.42 = 10,215.91 : x
  2. Step 2: Convert to fraction form
    18,175.24/25,080.42 = 10,215.91/x
  3. Step 3: Cross multiply
    18,175.24x = 25,080.42 × 10,215.91
  4. Step 4: Simplify right side
    18,175.24x = 256,219,313.48
  5. Step 5: Solve for x
    x = 256,219,313.48/18,175.24
  6. Step 6: Final answer
    x = 14,097.16

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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.