Home / 19,733.76-29,619.36-14,192.64

Finding the Fourth Proportional to 19,733.76, 29,619.36 and 14,192.64

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Solution

The fourth proportional to 19,733.76, 29,619.36 and 14,192.64 is: 21,302.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,733.76 : 29,619.36 = 14,192.64 : x
  2. Step 2: Convert to fraction form
    19,733.76/29,619.36 = 14,192.64/x
  3. Step 3: Cross multiply
    19,733.76x = 29,619.36 × 14,192.64
  4. Step 4: Simplify right side
    19,733.76x = 420,376,913.51
  5. Step 5: Solve for x
    x = 420,376,913.51/19,733.76
  6. Step 6: Final answer
    x = 21,302.42

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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.