Home / 18,231.49-25,159.24-10,275.06

Finding the Fourth Proportional to 18,231.49, 25,159.24 and 10,275.06

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Solution

The fourth proportional to 18,231.49, 25,159.24 and 10,275.06 is: 14,179.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,231.49 : 25,159.24 = 10,275.06 : x
  2. Step 2: Convert to fraction form
    18,231.49/25,159.24 = 10,275.06/x
  3. Step 3: Cross multiply
    18,231.49x = 25,159.24 × 10,275.06
  4. Step 4: Simplify right side
    18,231.49x = 258,512,700.55
  5. Step 5: Solve for x
    x = 258,512,700.55/18,231.49
  6. Step 6: Final answer
    x = 14,179.46

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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.