Home / 21,367.04-29,471.68-19,604.48

Finding the Fourth Proportional to 21,367.04, 29,471.68 and 19,604.48

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Solution

The fourth proportional to 21,367.04, 29,471.68 and 19,604.48 is: 27,040.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,367.04 : 29,471.68 = 19,604.48 : x
  2. Step 2: Convert to fraction form
    21,367.04/29,471.68 = 19,604.48/x
  3. Step 3: Cross multiply
    21,367.04x = 29,471.68 × 19,604.48
  4. Step 4: Simplify right side
    21,367.04x = 577,776,961.13
  5. Step 5: Solve for x
    x = 577,776,961.13/21,367.04
  6. Step 6: Final answer
    x = 27,040.57

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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.