Home / 13,853.30-19,097.79-8,544.56

Finding the Fourth Proportional to 13,853.30, 19,097.79 and 8,544.56

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Solution

The fourth proportional to 13,853.30, 19,097.79 and 8,544.56 is: 11,779.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,853.30 : 19,097.79 = 8,544.56 : x
  2. Step 2: Convert to fraction form
    13,853.30/19,097.79 = 8,544.56/x
  3. Step 3: Cross multiply
    13,853.30x = 19,097.79 × 8,544.56
  4. Step 4: Simplify right side
    13,853.30x = 163,182,212.52
  5. Step 5: Solve for x
    x = 163,182,212.52/13,853.30
  6. Step 6: Final answer
    x = 11,779.30

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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.