Home / 20,028.04-27,637.59-11,075.02

Finding the Fourth Proportional to 20,028.04, 27,637.59 and 11,075.02

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Solution

The fourth proportional to 20,028.04, 27,637.59 and 11,075.02 is: 15,282.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,028.04 : 27,637.59 = 11,075.02 : x
  2. Step 2: Convert to fraction form
    20,028.04/27,637.59 = 11,075.02/x
  3. Step 3: Cross multiply
    20,028.04x = 27,637.59 × 11,075.02
  4. Step 4: Simplify right side
    20,028.04x = 306,086,862.00
  5. Step 5: Solve for x
    x = 306,086,862.00/20,028.04
  6. Step 6: Final answer
    x = 15,282.92

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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.