Home / 19,909.08-27,474.42-10,956.36

Finding the Fourth Proportional to 19,909.08, 27,474.42 and 10,956.36

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Solution

The fourth proportional to 19,909.08, 27,474.42 and 10,956.36 is: 15,119.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,909.08 : 27,474.42 = 10,956.36 : x
  2. Step 2: Convert to fraction form
    19,909.08/27,474.42 = 10,956.36/x
  3. Step 3: Cross multiply
    19,909.08x = 27,474.42 × 10,956.36
  4. Step 4: Simplify right side
    19,909.08x = 301,019,636.31
  5. Step 5: Solve for x
    x = 301,019,636.31/19,909.08
  6. Step 6: Final answer
    x = 15,119.72

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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.