Home / 18,502.12-25,533.30-10,119.16

Finding the Fourth Proportional to 18,502.12, 25,533.30 and 10,119.16

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Solution

The fourth proportional to 18,502.12, 25,533.30 and 10,119.16 is: 13,964.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,502.12 : 25,533.30 = 10,119.16 : x
  2. Step 2: Convert to fraction form
    18,502.12/25,533.30 = 10,119.16/x
  3. Step 3: Cross multiply
    18,502.12x = 25,533.30 × 10,119.16
  4. Step 4: Simplify right side
    18,502.12x = 258,375,548.03
  5. Step 5: Solve for x
    x = 258,375,548.03/18,502.12
  6. Step 6: Final answer
    x = 13,964.65

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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.