Home / 14,106.13-21,162.71-9,954.25

Finding the Fourth Proportional to 14,106.13, 21,162.71 and 9,954.25

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Solution

The fourth proportional to 14,106.13, 21,162.71 and 9,954.25 is: 14,933.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,106.13 : 21,162.71 = 9,954.25 : x
  2. Step 2: Convert to fraction form
    14,106.13/21,162.71 = 9,954.25/x
  3. Step 3: Cross multiply
    14,106.13x = 21,162.71 × 9,954.25
  4. Step 4: Simplify right side
    14,106.13x = 210,658,906.02
  5. Step 5: Solve for x
    x = 210,658,906.02/14,106.13
  6. Step 6: Final answer
    x = 14,933.86

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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.