Home / 15,921.78-23,882.36-5,533.26

Finding the Fourth Proportional to 15,921.78, 23,882.36 and 5,533.26

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Solution

The fourth proportional to 15,921.78, 23,882.36 and 5,533.26 is: 8,299.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,921.78 : 23,882.36 = 5,533.26 : x
  2. Step 2: Convert to fraction form
    15,921.78/23,882.36 = 5,533.26/x
  3. Step 3: Cross multiply
    15,921.78x = 23,882.36 × 5,533.26
  4. Step 4: Simplify right side
    15,921.78x = 132,147,307.29
  5. Step 5: Solve for x
    x = 132,147,307.29/15,921.78
  6. Step 6: Final answer
    x = 8,299.78

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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.