Home / 13,822.84-19,076.10-7,535.56

Finding the Fourth Proportional to 13,822.84, 19,076.10 and 7,535.56

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Solution

The fourth proportional to 13,822.84, 19,076.10 and 7,535.56 is: 10,399.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,822.84 : 19,076.10 = 7,535.56 : x
  2. Step 2: Convert to fraction form
    13,822.84/19,076.10 = 7,535.56/x
  3. Step 3: Cross multiply
    13,822.84x = 19,076.10 × 7,535.56
  4. Step 4: Simplify right side
    13,822.84x = 143,749,096.12
  5. Step 5: Solve for x
    x = 143,749,096.12/13,822.84
  6. Step 6: Final answer
    x = 10,399.39

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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.