Home / 18,522.20-27,763.86-13,325.24

Finding the Fourth Proportional to 18,522.20, 27,763.86 and 13,325.24

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Solution

The fourth proportional to 18,522.20, 27,763.86 and 13,325.24 is: 19,973.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,522.20 : 27,763.86 = 13,325.24 : x
  2. Step 2: Convert to fraction form
    18,522.20/27,763.86 = 13,325.24/x
  3. Step 3: Cross multiply
    18,522.20x = 27,763.86 × 13,325.24
  4. Step 4: Simplify right side
    18,522.20x = 369,960,097.83
  5. Step 5: Solve for x
    x = 369,960,097.83/18,522.20
  6. Step 6: Final answer
    x = 19,973.87

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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.