Home / 13,166.28-19,757.64-7,895.58

Finding the Fourth Proportional to 13,166.28, 19,757.64 and 7,895.58

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Solution

The fourth proportional to 13,166.28, 19,757.64 and 7,895.58 is: 11,848.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,166.28 : 19,757.64 = 7,895.58 : x
  2. Step 2: Convert to fraction form
    13,166.28/19,757.64 = 7,895.58/x
  3. Step 3: Cross multiply
    13,166.28x = 19,757.64 × 7,895.58
  4. Step 4: Simplify right side
    13,166.28x = 155,998,027.23
  5. Step 5: Solve for x
    x = 155,998,027.23/13,166.28
  6. Step 6: Final answer
    x = 11,848.30

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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.