Home / 19,802.89-27,336.55-11,843.58

Finding the Fourth Proportional to 19,802.89, 27,336.55 and 11,843.58

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Solution

The fourth proportional to 19,802.89, 27,336.55 and 11,843.58 is: 16,349.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,802.89 : 27,336.55 = 11,843.58 : x
  2. Step 2: Convert to fraction form
    19,802.89/27,336.55 = 11,843.58/x
  3. Step 3: Cross multiply
    19,802.89x = 27,336.55 × 11,843.58
  4. Step 4: Simplify right side
    19,802.89x = 323,762,558.19
  5. Step 5: Solve for x
    x = 323,762,558.19/19,802.89
  6. Step 6: Final answer
    x = 16,349.26

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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.