Home / 21,609.59-32,451.44-13,338.47

Finding the Fourth Proportional to 21,609.59, 32,451.44 and 13,338.47

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Solution

The fourth proportional to 21,609.59, 32,451.44 and 13,338.47 is: 20,030.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,609.59 : 32,451.44 = 13,338.47 : x
  2. Step 2: Convert to fraction form
    21,609.59/32,451.44 = 13,338.47/x
  3. Step 3: Cross multiply
    21,609.59x = 32,451.44 × 13,338.47
  4. Step 4: Simplify right side
    21,609.59x = 432,852,573.33
  5. Step 5: Solve for x
    x = 432,852,573.33/21,609.59
  6. Step 6: Final answer
    x = 20,030.58

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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.