Home / 20,027.19-27,637.83-11,074.53

Finding the Fourth Proportional to 20,027.19, 27,637.83 and 11,074.53

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Solution

The fourth proportional to 20,027.19, 27,637.83 and 11,074.53 is: 15,283.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,027.19 : 27,637.83 = 11,074.53 : x
  2. Step 2: Convert to fraction form
    20,027.19/27,637.83 = 11,074.53/x
  3. Step 3: Cross multiply
    20,027.19x = 27,637.83 × 11,074.53
  4. Step 4: Simplify right side
    20,027.19x = 306,075,977.47
  5. Step 5: Solve for x
    x = 306,075,977.47/20,027.19
  6. Step 6: Final answer
    x = 15,283.02

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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.