Home / 13,847.72-19,104.39-8,533.28

Finding the Fourth Proportional to 13,847.72, 19,104.39 and 8,533.28

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Solution

The fourth proportional to 13,847.72, 19,104.39 and 8,533.28 is: 11,772.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,847.72 : 19,104.39 = 8,533.28 : x
  2. Step 2: Convert to fraction form
    13,847.72/19,104.39 = 8,533.28/x
  3. Step 3: Cross multiply
    13,847.72x = 19,104.39 × 8,533.28
  4. Step 4: Simplify right side
    13,847.72x = 163,023,109.10
  5. Step 5: Solve for x
    x = 163,023,109.10/13,847.72
  6. Step 6: Final answer
    x = 11,772.56

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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.