Home / 19,938.44-27,514.91-10,985.73

Finding the Fourth Proportional to 19,938.44, 27,514.91 and 10,985.73

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Solution

The fourth proportional to 19,938.44, 27,514.91 and 10,985.73 is: 15,160.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,938.44 : 27,514.91 = 10,985.73 : x
  2. Step 2: Convert to fraction form
    19,938.44/27,514.91 = 10,985.73/x
  3. Step 3: Cross multiply
    19,938.44x = 27,514.91 × 10,985.73
  4. Step 4: Simplify right side
    19,938.44x = 302,271,317.31
  5. Step 5: Solve for x
    x = 302,271,317.31/19,938.44
  6. Step 6: Final answer
    x = 15,160.23

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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.