Home / 14,322.13-21,498.90-11,379.48

Finding the Fourth Proportional to 14,322.13, 21,498.90 and 11,379.48

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Solution

The fourth proportional to 14,322.13, 21,498.90 and 11,379.48 is: 17,081.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,322.13 : 21,498.90 = 11,379.48 : x
  2. Step 2: Convert to fraction form
    14,322.13/21,498.90 = 11,379.48/x
  3. Step 3: Cross multiply
    14,322.13x = 21,498.90 × 11,379.48
  4. Step 4: Simplify right side
    14,322.13x = 244,646,302.57
  5. Step 5: Solve for x
    x = 244,646,302.57/14,322.13
  6. Step 6: Final answer
    x = 17,081.70

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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.