Home / 15,525.23-21,425.29-10,996.03

Finding the Fourth Proportional to 15,525.23, 21,425.29 and 10,996.03

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Solution

The fourth proportional to 15,525.23, 21,425.29 and 10,996.03 is: 15,174.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,525.23 : 21,425.29 = 10,996.03 : x
  2. Step 2: Convert to fraction form
    15,525.23/21,425.29 = 10,996.03/x
  3. Step 3: Cross multiply
    15,525.23x = 21,425.29 × 10,996.03
  4. Step 4: Simplify right side
    15,525.23x = 235,593,131.60
  5. Step 5: Solve for x
    x = 235,593,131.60/15,525.23
  6. Step 6: Final answer
    x = 15,174.86

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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.