Home / 13,932.87-19,206.09-8,545.34

Finding the Fourth Proportional to 13,932.87, 19,206.09 and 8,545.34

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Solution

The fourth proportional to 13,932.87, 19,206.09 and 8,545.34 is: 11,779.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,932.87 : 19,206.09 = 8,545.34 : x
  2. Step 2: Convert to fraction form
    13,932.87/19,206.09 = 8,545.34/x
  3. Step 3: Cross multiply
    13,932.87x = 19,206.09 × 8,545.34
  4. Step 4: Simplify right side
    13,932.87x = 164,122,473.09
  5. Step 5: Solve for x
    x = 164,122,473.09/13,932.87
  6. Step 6: Final answer
    x = 11,779.52

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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.