Home / 13,223.19-18,244.89-11,997.93

Finding the Fourth Proportional to 13,223.19, 18,244.89 and 11,997.93

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Solution

The fourth proportional to 13,223.19, 18,244.89 and 11,997.93 is: 16,554.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,223.19 : 18,244.89 = 11,997.93 : x
  2. Step 2: Convert to fraction form
    13,223.19/18,244.89 = 11,997.93/x
  3. Step 3: Cross multiply
    13,223.19x = 18,244.89 × 11,997.93
  4. Step 4: Simplify right side
    13,223.19x = 218,900,913.08
  5. Step 5: Solve for x
    x = 218,900,913.08/13,223.19
  6. Step 6: Final answer
    x = 16,554.32

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.