Home / 13,591.49-20,357.10-10,448.37

Finding the Fourth Proportional to 13,591.49, 20,357.10 and 10,448.37

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Solution

The fourth proportional to 13,591.49, 20,357.10 and 10,448.37 is: 15,649.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,591.49 : 20,357.10 = 10,448.37 : x
  2. Step 2: Convert to fraction form
    13,591.49/20,357.10 = 10,448.37/x
  3. Step 3: Cross multiply
    13,591.49x = 20,357.10 × 10,448.37
  4. Step 4: Simplify right side
    13,591.49x = 212,698,512.93
  5. Step 5: Solve for x
    x = 212,698,512.93/13,591.49
  6. Step 6: Final answer
    x = 15,649.39

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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.