Home / 15,571.16-21,481.34-10,533.54

Finding the Fourth Proportional to 15,571.16, 21,481.34 and 10,533.54

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Solution

The fourth proportional to 15,571.16, 21,481.34 and 10,533.54 is: 14,531.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,571.16 : 21,481.34 = 10,533.54 : x
  2. Step 2: Convert to fraction form
    15,571.16/21,481.34 = 10,533.54/x
  3. Step 3: Cross multiply
    15,571.16x = 21,481.34 × 10,533.54
  4. Step 4: Simplify right side
    15,571.16x = 226,274,554.14
  5. Step 5: Solve for x
    x = 226,274,554.14/15,571.16
  6. Step 6: Final answer
    x = 14,531.64

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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.