Home / 19,620.02-27,075.51-11,123.75

Finding the Fourth Proportional to 19,620.02, 27,075.51 and 11,123.75

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Solution

The fourth proportional to 19,620.02, 27,075.51 and 11,123.75 is: 15,350.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,620.02 : 27,075.51 = 11,123.75 : x
  2. Step 2: Convert to fraction form
    19,620.02/27,075.51 = 11,123.75/x
  3. Step 3: Cross multiply
    19,620.02x = 27,075.51 × 11,123.75
  4. Step 4: Simplify right side
    19,620.02x = 301,181,272.05
  5. Step 5: Solve for x
    x = 301,181,272.05/19,620.02
  6. Step 6: Final answer
    x = 15,350.71

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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.