Home / 21,324.03-29,390.76-14,597.79

Finding the Fourth Proportional to 21,324.03, 29,390.76 and 14,597.79

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Solution

The fourth proportional to 21,324.03, 29,390.76 and 14,597.79 is: 20,120.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,324.03 : 29,390.76 = 14,597.79 : x
  2. Step 2: Convert to fraction form
    21,324.03/29,390.76 = 14,597.79/x
  3. Step 3: Cross multiply
    21,324.03x = 29,390.76 × 14,597.79
  4. Step 4: Simplify right side
    21,324.03x = 429,040,142.42
  5. Step 5: Solve for x
    x = 429,040,142.42/21,324.03
  6. Step 6: Final answer
    x = 20,120.03

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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.