Home / 18,355.15-27,546.56-8,501.35

Finding the Fourth Proportional to 18,355.15, 27,546.56 and 8,501.35

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Solution

The fourth proportional to 18,355.15, 27,546.56 and 8,501.35 is: 12,758.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,355.15 : 27,546.56 = 8,501.35 : x
  2. Step 2: Convert to fraction form
    18,355.15/27,546.56 = 8,501.35/x
  3. Step 3: Cross multiply
    18,355.15x = 27,546.56 × 8,501.35
  4. Step 4: Simplify right side
    18,355.15x = 234,182,900.24
  5. Step 5: Solve for x
    x = 234,182,900.24/18,355.15
  6. Step 6: Final answer
    x = 12,758.43

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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.