Home / 14,111.07-21,167.05-5,228.62

Finding the Fourth Proportional to 14,111.07, 21,167.05 and 5,228.62

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Solution

The fourth proportional to 14,111.07, 21,167.05 and 5,228.62 is: 7,843.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,111.07 : 21,167.05 = 5,228.62 : x
  2. Step 2: Convert to fraction form
    14,111.07/21,167.05 = 5,228.62/x
  3. Step 3: Cross multiply
    14,111.07x = 21,167.05 × 5,228.62
  4. Step 4: Simplify right side
    14,111.07x = 110,674,493.97
  5. Step 5: Solve for x
    x = 110,674,493.97/14,111.07
  6. Step 6: Final answer
    x = 7,843.10

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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.