Home / 18,587.57-27,882.65-7,494.36

Finding the Fourth Proportional to 18,587.57, 27,882.65 and 7,494.36

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Solution

The fourth proportional to 18,587.57, 27,882.65 and 7,494.36 is: 11,242.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,587.57 : 27,882.65 = 7,494.36 : x
  2. Step 2: Convert to fraction form
    18,587.57/27,882.65 = 7,494.36/x
  3. Step 3: Cross multiply
    18,587.57x = 27,882.65 × 7,494.36
  4. Step 4: Simplify right side
    18,587.57x = 208,962,579.38
  5. Step 5: Solve for x
    x = 208,962,579.38/18,587.57
  6. Step 6: Final answer
    x = 11,242.06

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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.