Home / 14,522.10-21,739.28-13,136.06

Finding the Fourth Proportional to 14,522.10, 21,739.28 and 13,136.06

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Solution

The fourth proportional to 14,522.10, 21,739.28 and 13,136.06 is: 19,664.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,522.10 : 21,739.28 = 13,136.06 : x
  2. Step 2: Convert to fraction form
    14,522.10/21,739.28 = 13,136.06/x
  3. Step 3: Cross multiply
    14,522.10x = 21,739.28 × 13,136.06
  4. Step 4: Simplify right side
    14,522.10x = 285,568,312.06
  5. Step 5: Solve for x
    x = 285,568,312.06/14,522.10
  6. Step 6: Final answer
    x = 19,664.40

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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.