Home / 18,065.53-27,098.30-7,677.28

Finding the Fourth Proportional to 18,065.53, 27,098.30 and 7,677.28

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Solution

The fourth proportional to 18,065.53, 27,098.30 and 7,677.28 is: 11,515.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,065.53 : 27,098.30 = 7,677.28 : x
  2. Step 2: Convert to fraction form
    18,065.53/27,098.30 = 7,677.28/x
  3. Step 3: Cross multiply
    18,065.53x = 27,098.30 × 7,677.28
  4. Step 4: Simplify right side
    18,065.53x = 208,041,246.51
  5. Step 5: Solve for x
    x = 208,041,246.51/18,065.53
  6. Step 6: Final answer
    x = 11,515.92

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Similar ratio
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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.