Home / 14,124.33-21,172.71-6,726.81

Finding the Fourth Proportional to 14,124.33, 21,172.71 and 6,726.81

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Solution

The fourth proportional to 14,124.33, 21,172.71 and 6,726.81 is: 10,083.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,124.33 : 21,172.71 = 6,726.81 : x
  2. Step 2: Convert to fraction form
    14,124.33/21,172.71 = 6,726.81/x
  3. Step 3: Cross multiply
    14,124.33x = 21,172.71 × 6,726.81
  4. Step 4: Simplify right side
    14,124.33x = 142,424,797.36
  5. Step 5: Solve for x
    x = 142,424,797.36/14,124.33
  6. Step 6: Final answer
    x = 10,083.65

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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.