Home / 19,926.90-27,498.56-11,430.44

Finding the Fourth Proportional to 19,926.90, 27,498.56 and 11,430.44

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Solution

The fourth proportional to 19,926.90, 27,498.56 and 11,430.44 is: 15,773.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,926.90 : 27,498.56 = 11,430.44 : x
  2. Step 2: Convert to fraction form
    19,926.90/27,498.56 = 11,430.44/x
  3. Step 3: Cross multiply
    19,926.90x = 27,498.56 × 11,430.44
  4. Step 4: Simplify right side
    19,926.90x = 314,320,640.17
  5. Step 5: Solve for x
    x = 314,320,640.17/19,926.90
  6. Step 6: Final answer
    x = 15,773.68

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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.