Home / 13,944.24-20,998.80-10,075.68

Finding the Fourth Proportional to 13,944.24, 20,998.80 and 10,075.68

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Solution

The fourth proportional to 13,944.24, 20,998.80 and 10,075.68 is: 15,173.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,944.24 : 20,998.80 = 10,075.68 : x
  2. Step 2: Convert to fraction form
    13,944.24/20,998.80 = 10,075.68/x
  3. Step 3: Cross multiply
    13,944.24x = 20,998.80 × 10,075.68
  4. Step 4: Simplify right side
    13,944.24x = 211,577,189.18
  5. Step 5: Solve for x
    x = 211,577,189.18/13,944.24
  6. Step 6: Final answer
    x = 15,173.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.