Home / 19,051.11-28,557.18-13,491.27

Finding the Fourth Proportional to 19,051.11, 28,557.18 and 13,491.27

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Solution

The fourth proportional to 19,051.11, 28,557.18 and 13,491.27 is: 20,223.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,051.11 : 28,557.18 = 13,491.27 : x
  2. Step 2: Convert to fraction form
    19,051.11/28,557.18 = 13,491.27/x
  3. Step 3: Cross multiply
    19,051.11x = 28,557.18 × 13,491.27
  4. Step 4: Simplify right side
    19,051.11x = 385,272,625.82
  5. Step 5: Solve for x
    x = 385,272,625.82/19,051.11
  6. Step 6: Final answer
    x = 20,223.11

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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.