Home / 13,165.84-19,750.92-5,372.56

Finding the Fourth Proportional to 13,165.84, 19,750.92 and 5,372.56

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Solution

The fourth proportional to 13,165.84, 19,750.92 and 5,372.56 is: 8,059.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,165.84 : 19,750.92 = 5,372.56 : x
  2. Step 2: Convert to fraction form
    13,165.84/19,750.92 = 5,372.56/x
  3. Step 3: Cross multiply
    13,165.84x = 19,750.92 × 5,372.56
  4. Step 4: Simplify right side
    13,165.84x = 106,113,002.76
  5. Step 5: Solve for x
    x = 106,113,002.76/13,165.84
  6. Step 6: Final answer
    x = 8,059.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.