Home / 14,136.71-21,172.77-6,746.36

Finding the Fourth Proportional to 14,136.71, 21,172.77 and 6,746.36

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Solution

The fourth proportional to 14,136.71, 21,172.77 and 6,746.36 is: 10,104.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,136.71 : 21,172.77 = 6,746.36 : x
  2. Step 2: Convert to fraction form
    14,136.71/21,172.77 = 6,746.36/x
  3. Step 3: Cross multiply
    14,136.71x = 21,172.77 × 6,746.36
  4. Step 4: Simplify right side
    14,136.71x = 142,839,128.62
  5. Step 5: Solve for x
    x = 142,839,128.62/14,136.71
  6. Step 6: Final answer
    x = 10,104.13

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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.