Home / 13,234.91-18,264.32-7,266.45

Finding the Fourth Proportional to 13,234.91, 18,264.32 and 7,266.45

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Solution

The fourth proportional to 13,234.91, 18,264.32 and 7,266.45 is: 10,027.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,234.91 : 18,264.32 = 7,266.45 : x
  2. Step 2: Convert to fraction form
    13,234.91/18,264.32 = 7,266.45/x
  3. Step 3: Cross multiply
    13,234.91x = 18,264.32 × 7,266.45
  4. Step 4: Simplify right side
    13,234.91x = 132,716,768.06
  5. Step 5: Solve for x
    x = 132,716,768.06/13,234.91
  6. Step 6: Final answer
    x = 10,027.78

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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.