Home / 19,909.26-27,474.19-10,956.76

Finding the Fourth Proportional to 19,909.26, 27,474.19 and 10,956.76

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Solution

The fourth proportional to 19,909.26, 27,474.19 and 10,956.76 is: 15,120.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,909.26 : 27,474.19 = 10,956.76 : x
  2. Step 2: Convert to fraction form
    19,909.26/27,474.19 = 10,956.76/x
  3. Step 3: Cross multiply
    19,909.26x = 27,474.19 × 10,956.76
  4. Step 4: Simplify right side
    19,909.26x = 301,028,009.95
  5. Step 5: Solve for x
    x = 301,028,009.95/19,909.26
  6. Step 6: Final answer
    x = 15,120.00

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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.