Home / 53,264.96-79,897.24-13,818.68

Finding the Fourth Proportional to 53,264.96, 79,897.24 and 13,818.68

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Solution

The fourth proportional to 53,264.96, 79,897.24 and 13,818.68 is: 20,727.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,264.96 : 79,897.24 = 13,818.68 : x
  2. Step 2: Convert to fraction form
    53,264.96/79,897.24 = 13,818.68/x
  3. Step 3: Cross multiply
    53,264.96x = 79,897.24 × 13,818.68
  4. Step 4: Simplify right side
    53,264.96x = 1,104,074,392.44
  5. Step 5: Solve for x
    x = 1,104,074,392.44/53,264.96
  6. Step 6: Final answer
    x = 20,727.97

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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.