Home / 21,824.37-32,697.42-13,260.24

Finding the Fourth Proportional to 21,824.37, 32,697.42 and 13,260.24

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Solution

The fourth proportional to 21,824.37, 32,697.42 and 13,260.24 is: 19,866.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,824.37 : 32,697.42 = 13,260.24 : x
  2. Step 2: Convert to fraction form
    21,824.37/32,697.42 = 13,260.24/x
  3. Step 3: Cross multiply
    21,824.37x = 32,697.42 × 13,260.24
  4. Step 4: Simplify right side
    21,824.37x = 433,575,636.58
  5. Step 5: Solve for x
    x = 433,575,636.58/21,824.37
  6. Step 6: Final answer
    x = 19,866.58

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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.