Home / 19,872.08-29,923.34-14,362.88

Finding the Fourth Proportional to 19,872.08, 29,923.34 and 14,362.88

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Solution

The fourth proportional to 19,872.08, 29,923.34 and 14,362.88 is: 21,627.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,872.08 : 29,923.34 = 14,362.88 : x
  2. Step 2: Convert to fraction form
    19,872.08/29,923.34 = 14,362.88/x
  3. Step 3: Cross multiply
    19,872.08x = 29,923.34 × 14,362.88
  4. Step 4: Simplify right side
    19,872.08x = 429,785,341.62
  5. Step 5: Solve for x
    x = 429,785,341.62/19,872.08
  6. Step 6: Final answer
    x = 21,627.60

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.