Home / 21,322.63-29,425.14-11,762.26

Finding the Fourth Proportional to 21,322.63, 29,425.14 and 11,762.26

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Solution

The fourth proportional to 21,322.63, 29,425.14 and 11,762.26 is: 16,231.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,322.63 : 29,425.14 = 11,762.26 : x
  2. Step 2: Convert to fraction form
    21,322.63/29,425.14 = 11,762.26/x
  3. Step 3: Cross multiply
    21,322.63x = 29,425.14 × 11,762.26
  4. Step 4: Simplify right side
    21,322.63x = 346,106,147.22
  5. Step 5: Solve for x
    x = 346,106,147.22/21,322.63
  6. Step 6: Final answer
    x = 16,231.87

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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.