Home / 20,026.09-27,637.22-11,073.40

Finding the Fourth Proportional to 20,026.09, 27,637.22 and 11,073.40

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Solution

The fourth proportional to 20,026.09, 27,637.22 and 11,073.40 is: 15,281.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,026.09 : 27,637.22 = 11,073.40 : x
  2. Step 2: Convert to fraction form
    20,026.09/27,637.22 = 11,073.40/x
  3. Step 3: Cross multiply
    20,026.09x = 27,637.22 × 11,073.40
  4. Step 4: Simplify right side
    20,026.09x = 306,037,991.95
  5. Step 5: Solve for x
    x = 306,037,991.95/20,026.09
  6. Step 6: Final answer
    x = 15,281.96

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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.