Home / 13,274.90-19,898.37-6,687.24

Finding the Fourth Proportional to 13,274.90, 19,898.37 and 6,687.24

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Solution

The fourth proportional to 13,274.90, 19,898.37 and 6,687.24 is: 10,023.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,274.90 : 19,898.37 = 6,687.24 : x
  2. Step 2: Convert to fraction form
    13,274.90/19,898.37 = 6,687.24/x
  3. Step 3: Cross multiply
    13,274.90x = 19,898.37 × 6,687.24
  4. Step 4: Simplify right side
    13,274.90x = 133,065,175.80
  5. Step 5: Solve for x
    x = 133,065,175.80/13,274.90
  6. Step 6: Final answer
    x = 10,023.82

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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.