Home / 14,073.66-21,100.77-6,172.38

Finding the Fourth Proportional to 14,073.66, 21,100.77 and 6,172.38

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Solution

The fourth proportional to 14,073.66, 21,100.77 and 6,172.38 is: 9,254.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,073.66 : 21,100.77 = 6,172.38 : x
  2. Step 2: Convert to fraction form
    14,073.66/21,100.77 = 6,172.38/x
  3. Step 3: Cross multiply
    14,073.66x = 21,100.77 × 6,172.38
  4. Step 4: Simplify right side
    14,073.66x = 130,241,970.73
  5. Step 5: Solve for x
    x = 130,241,970.73/14,073.66
  6. Step 6: Final answer
    x = 9,254.31

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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.