Home / 19,814.86-29,529.29-19,214.11

Finding the Fourth Proportional to 19,814.86, 29,529.29 and 19,214.11

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Solution

The fourth proportional to 19,814.86, 29,529.29 and 19,214.11 is: 28,634.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,814.86 : 29,529.29 = 19,214.11 : x
  2. Step 2: Convert to fraction form
    19,814.86/29,529.29 = 19,214.11/x
  3. Step 3: Cross multiply
    19,814.86x = 29,529.29 × 19,214.11
  4. Step 4: Simplify right side
    19,814.86x = 567,379,111.23
  5. Step 5: Solve for x
    x = 567,379,111.23/19,814.86
  6. Step 6: Final answer
    x = 28,634.02

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.