Home / 14,112.23-21,160.04-5,345.09

Finding the Fourth Proportional to 14,112.23, 21,160.04 and 5,345.09

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Solution

The fourth proportional to 14,112.23, 21,160.04 and 5,345.09 is: 8,014.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,112.23 : 21,160.04 = 5,345.09 : x
  2. Step 2: Convert to fraction form
    14,112.23/21,160.04 = 5,345.09/x
  3. Step 3: Cross multiply
    14,112.23x = 21,160.04 × 5,345.09
  4. Step 4: Simplify right side
    14,112.23x = 113,102,265.03
  5. Step 5: Solve for x
    x = 113,102,265.03/14,112.23
  6. Step 6: Final answer
    x = 8,014.49

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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.