Home / 13,748.87-18,973.24-8,084.27

Finding the Fourth Proportional to 13,748.87, 18,973.24 and 8,084.27

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Solution

The fourth proportional to 13,748.87, 18,973.24 and 8,084.27 is: 11,156.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,748.87 : 18,973.24 = 8,084.27 : x
  2. Step 2: Convert to fraction form
    13,748.87/18,973.24 = 8,084.27/x
  3. Step 3: Cross multiply
    13,748.87x = 18,973.24 × 8,084.27
  4. Step 4: Simplify right side
    13,748.87x = 153,384,794.93
  5. Step 5: Solve for x
    x = 153,384,794.93/13,748.87
  6. Step 6: Final answer
    x = 11,156.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.