Home / 13,324.84-19,871.43-13,146.08

Finding the Fourth Proportional to 13,324.84, 19,871.43 and 13,146.08

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Solution

The fourth proportional to 13,324.84, 19,871.43 and 13,146.08 is: 19,604.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,324.84 : 19,871.43 = 13,146.08 : x
  2. Step 2: Convert to fraction form
    13,324.84/19,871.43 = 13,146.08/x
  3. Step 3: Cross multiply
    13,324.84x = 19,871.43 × 13,146.08
  4. Step 4: Simplify right side
    13,324.84x = 261,231,259.84
  5. Step 5: Solve for x
    x = 261,231,259.84/13,324.84
  6. Step 6: Final answer
    x = 19,604.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.