Home / 13,852.32-20,778.51-5,533.01

Finding the Fourth Proportional to 13,852.32, 20,778.51 and 5,533.01

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Solution

The fourth proportional to 13,852.32, 20,778.51 and 5,533.01 is: 8,299.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,852.32 : 20,778.51 = 5,533.01 : x
  2. Step 2: Convert to fraction form
    13,852.32/20,778.51 = 5,533.01/x
  3. Step 3: Cross multiply
    13,852.32x = 20,778.51 × 5,533.01
  4. Step 4: Simplify right side
    13,852.32x = 114,967,651.67
  5. Step 5: Solve for x
    x = 114,967,651.67/13,852.32
  6. Step 6: Final answer
    x = 8,299.53

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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.