Home / 19,924.56-27,495.18-12,858.12

Finding the Fourth Proportional to 19,924.56, 27,495.18 and 12,858.12

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Solution

The fourth proportional to 19,924.56, 27,495.18 and 12,858.12 is: 17,743.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,924.56 : 27,495.18 = 12,858.12 : x
  2. Step 2: Convert to fraction form
    19,924.56/27,495.18 = 12,858.12/x
  3. Step 3: Cross multiply
    19,924.56x = 27,495.18 × 12,858.12
  4. Step 4: Simplify right side
    19,924.56x = 353,536,323.86
  5. Step 5: Solve for x
    x = 353,536,323.86/19,924.56
  6. Step 6: Final answer
    x = 17,743.75

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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.