Home / 18,250.86-27,363.64-7,158.66

Finding the Fourth Proportional to 18,250.86, 27,363.64 and 7,158.66

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Solution

The fourth proportional to 18,250.86, 27,363.64 and 7,158.66 is: 10,733.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,250.86 : 27,363.64 = 7,158.66 : x
  2. Step 2: Convert to fraction form
    18,250.86/27,363.64 = 7,158.66/x
  3. Step 3: Cross multiply
    18,250.86x = 27,363.64 × 7,158.66
  4. Step 4: Simplify right side
    18,250.86x = 195,886,995.12
  5. Step 5: Solve for x
    x = 195,886,995.12/18,250.86
  6. Step 6: Final answer
    x = 10,733.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.