Home / 18,236.64-27,378.54-9,477.66

Finding the Fourth Proportional to 18,236.64, 27,378.54 and 9,477.66

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Solution

The fourth proportional to 18,236.64, 27,378.54 and 9,477.66 is: 14,228.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,236.64 : 27,378.54 = 9,477.66 : x
  2. Step 2: Convert to fraction form
    18,236.64/27,378.54 = 9,477.66/x
  3. Step 3: Cross multiply
    18,236.64x = 27,378.54 × 9,477.66
  4. Step 4: Simplify right side
    18,236.64x = 259,484,493.42
  5. Step 5: Solve for x
    x = 259,484,493.42/18,236.64
  6. Step 6: Final answer
    x = 14,228.74

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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.