Home / 18,355.10-27,516.18-6,660.14

Finding the Fourth Proportional to 18,355.10, 27,516.18 and 6,660.14

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Solution

The fourth proportional to 18,355.10, 27,516.18 and 6,660.14 is: 9,984.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,355.10 : 27,516.18 = 6,660.14 : x
  2. Step 2: Convert to fraction form
    18,355.10/27,516.18 = 6,660.14/x
  3. Step 3: Cross multiply
    18,355.10x = 27,516.18 × 6,660.14
  4. Step 4: Simplify right side
    18,355.10x = 183,261,611.07
  5. Step 5: Solve for x
    x = 183,261,611.07/18,355.10
  6. Step 6: Final answer
    x = 9,984.23

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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.