Home / 18,308.45-27,462.68-6,618.93

Finding the Fourth Proportional to 18,308.45, 27,462.68 and 6,618.93

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Solution

The fourth proportional to 18,308.45, 27,462.68 and 6,618.93 is: 9,928.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,308.45 : 27,462.68 = 6,618.93 : x
  2. Step 2: Convert to fraction form
    18,308.45/27,462.68 = 6,618.93/x
  3. Step 3: Cross multiply
    18,308.45x = 27,462.68 × 6,618.93
  4. Step 4: Simplify right side
    18,308.45x = 181,773,599.75
  5. Step 5: Solve for x
    x = 181,773,599.75/18,308.45
  6. Step 6: Final answer
    x = 9,928.40

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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.