Home / 18,065.33-27,106.64-6,384.05

Finding the Fourth Proportional to 18,065.33, 27,106.64 and 6,384.05

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Solution

The fourth proportional to 18,065.33, 27,106.64 and 6,384.05 is: 9,579.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,065.33 : 27,106.64 = 6,384.05 : x
  2. Step 2: Convert to fraction form
    18,065.33/27,106.64 = 6,384.05/x
  3. Step 3: Cross multiply
    18,065.33x = 27,106.64 × 6,384.05
  4. Step 4: Simplify right side
    18,065.33x = 173,050,145.09
  5. Step 5: Solve for x
    x = 173,050,145.09/18,065.33
  6. Step 6: Final answer
    x = 9,579.13

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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.