Home / 19,702.36-27,189.31-11,204.27

Finding the Fourth Proportional to 19,702.36, 27,189.31 and 11,204.27

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Solution

The fourth proportional to 19,702.36, 27,189.31 and 11,204.27 is: 15,461.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,702.36 : 27,189.31 = 11,204.27 : x
  2. Step 2: Convert to fraction form
    19,702.36/27,189.31 = 11,204.27/x
  3. Step 3: Cross multiply
    19,702.36x = 27,189.31 × 11,204.27
  4. Step 4: Simplify right side
    19,702.36x = 304,636,466.55
  5. Step 5: Solve for x
    x = 304,636,466.55/19,702.36
  6. Step 6: Final answer
    x = 15,461.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.