Home / 13,126.84-19,690.17-3,266.04

Finding the Fourth Proportional to 13,126.84, 19,690.17 and 3,266.04

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Solution

The fourth proportional to 13,126.84, 19,690.17 and 3,266.04 is: 4,899.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,126.84 : 19,690.17 = 3,266.04 : x
  2. Step 2: Convert to fraction form
    13,126.84/19,690.17 = 3,266.04/x
  3. Step 3: Cross multiply
    13,126.84x = 19,690.17 × 3,266.04
  4. Step 4: Simplify right side
    13,126.84x = 64,308,882.83
  5. Step 5: Solve for x
    x = 64,308,882.83/13,126.84
  6. Step 6: Final answer
    x = 4,899.04

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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.