Home / 19,203.58-28,818.44-11,785.41

Finding the Fourth Proportional to 19,203.58, 28,818.44 and 11,785.41

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Solution

The fourth proportional to 19,203.58, 28,818.44 and 11,785.41 is: 17,686.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,203.58 : 28,818.44 = 11,785.41 : x
  2. Step 2: Convert to fraction form
    19,203.58/28,818.44 = 11,785.41/x
  3. Step 3: Cross multiply
    19,203.58x = 28,818.44 × 11,785.41
  4. Step 4: Simplify right side
    19,203.58x = 339,637,130.96
  5. Step 5: Solve for x
    x = 339,637,130.96/19,203.58
  6. Step 6: Final answer
    x = 17,686.14

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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.