Home / 15,921.56-23,893.31-5,533.31

Finding the Fourth Proportional to 15,921.56, 23,893.31 and 5,533.31

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Solution

The fourth proportional to 15,921.56, 23,893.31 and 5,533.31 is: 8,303.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,921.56 : 23,893.31 = 5,533.31 : x
  2. Step 2: Convert to fraction form
    15,921.56/23,893.31 = 5,533.31/x
  3. Step 3: Cross multiply
    15,921.56x = 23,893.31 × 5,533.31
  4. Step 4: Simplify right side
    15,921.56x = 132,209,164.72
  5. Step 5: Solve for x
    x = 132,209,164.72/15,921.56
  6. Step 6: Final answer
    x = 8,303.78

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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.