Home / 13,591.24-20,356.72-10,448.12

Finding the Fourth Proportional to 13,591.24, 20,356.72 and 10,448.12

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Solution

The fourth proportional to 13,591.24, 20,356.72 and 10,448.12 is: 15,649.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,591.24 : 20,356.72 = 10,448.12 : x
  2. Step 2: Convert to fraction form
    13,591.24/20,356.72 = 10,448.12/x
  3. Step 3: Cross multiply
    13,591.24x = 20,356.72 × 10,448.12
  4. Step 4: Simplify right side
    13,591.24x = 212,689,453.37
  5. Step 5: Solve for x
    x = 212,689,453.37/13,591.24
  6. Step 6: Final answer
    x = 15,649.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.