Home / 21,232.48-31,848.90-10,851.52

Finding the Fourth Proportional to 21,232.48, 31,848.90 and 10,851.52

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Solution

The fourth proportional to 21,232.48, 31,848.90 and 10,851.52 is: 16,277.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,232.48 : 31,848.90 = 10,851.52 : x
  2. Step 2: Convert to fraction form
    21,232.48/31,848.90 = 10,851.52/x
  3. Step 3: Cross multiply
    21,232.48x = 31,848.90 × 10,851.52
  4. Step 4: Simplify right side
    21,232.48x = 345,608,975.33
  5. Step 5: Solve for x
    x = 345,608,975.33/21,232.48
  6. Step 6: Final answer
    x = 16,277.37

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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.