Home / 18,372.64-27,567.60-13,983.52

Finding the Fourth Proportional to 18,372.64, 27,567.60 and 13,983.52

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Solution

The fourth proportional to 18,372.64, 27,567.60 and 13,983.52 is: 20,981.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,372.64 : 27,567.60 = 13,983.52 : x
  2. Step 2: Convert to fraction form
    18,372.64/27,567.60 = 13,983.52/x
  3. Step 3: Cross multiply
    18,372.64x = 27,567.60 × 13,983.52
  4. Step 4: Simplify right side
    18,372.64x = 385,492,085.95
  5. Step 5: Solve for x
    x = 385,492,085.95/18,372.64
  6. Step 6: Final answer
    x = 20,981.86

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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.