Home / 20,038.26-27,651.15-11,539.92

Finding the Fourth Proportional to 20,038.26, 27,651.15 and 11,539.92

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Solution

The fourth proportional to 20,038.26, 27,651.15 and 11,539.92 is: 15,924.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,038.26 : 27,651.15 = 11,539.92 : x
  2. Step 2: Convert to fraction form
    20,038.26/27,651.15 = 11,539.92/x
  3. Step 3: Cross multiply
    20,038.26x = 27,651.15 × 11,539.92
  4. Step 4: Simplify right side
    20,038.26x = 319,092,058.91
  5. Step 5: Solve for x
    x = 319,092,058.91/20,038.26
  6. Step 6: Final answer
    x = 15,924.14

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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.