Home / 18,522.52-27,757.86-13,303.96

Finding the Fourth Proportional to 18,522.52, 27,757.86 and 13,303.96

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Solution

The fourth proportional to 18,522.52, 27,757.86 and 13,303.96 is: 19,937.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,522.52 : 27,757.86 = 13,303.96 : x
  2. Step 2: Convert to fraction form
    18,522.52/27,757.86 = 13,303.96/x
  3. Step 3: Cross multiply
    18,522.52x = 27,757.86 × 13,303.96
  4. Step 4: Simplify right side
    18,522.52x = 369,289,459.13
  5. Step 5: Solve for x
    x = 369,289,459.13/18,522.52
  6. Step 6: Final answer
    x = 19,937.32

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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.