Home / 19,239.66-28,702.62-18,751.23

Finding the Fourth Proportional to 19,239.66, 28,702.62 and 18,751.23

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Solution

The fourth proportional to 19,239.66, 28,702.62 and 18,751.23 is: 27,973.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,239.66 : 28,702.62 = 18,751.23 : x
  2. Step 2: Convert to fraction form
    19,239.66/28,702.62 = 18,751.23/x
  3. Step 3: Cross multiply
    19,239.66x = 28,702.62 × 18,751.23
  4. Step 4: Simplify right side
    19,239.66x = 538,209,429.22
  5. Step 5: Solve for x
    x = 538,209,429.22/19,239.66
  6. Step 6: Final answer
    x = 27,973.96

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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.