Home / 18,210.24-25,125.66-11,134.08

Finding the Fourth Proportional to 18,210.24, 25,125.66 and 11,134.08

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Solution

The fourth proportional to 18,210.24, 25,125.66 and 11,134.08 is: 15,362.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,210.24 : 25,125.66 = 11,134.08 : x
  2. Step 2: Convert to fraction form
    18,210.24/25,125.66 = 11,134.08/x
  3. Step 3: Cross multiply
    18,210.24x = 25,125.66 × 11,134.08
  4. Step 4: Simplify right side
    18,210.24x = 279,751,108.49
  5. Step 5: Solve for x
    x = 279,751,108.49/18,210.24
  6. Step 6: Final answer
    x = 15,362.30

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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.