Home / 18,332.19-27,494.17-5,181.50

Finding the Fourth Proportional to 18,332.19, 27,494.17 and 5,181.50

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Solution

The fourth proportional to 18,332.19, 27,494.17 and 5,181.50 is: 7,771.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,332.19 : 27,494.17 = 5,181.50 : x
  2. Step 2: Convert to fraction form
    18,332.19/27,494.17 = 5,181.50/x
  3. Step 3: Cross multiply
    18,332.19x = 27,494.17 × 5,181.50
  4. Step 4: Simplify right side
    18,332.19x = 142,461,097.64
  5. Step 5: Solve for x
    x = 142,461,097.64/18,332.19
  6. Step 6: Final answer
    x = 7,771.09

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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.