Home / 19,504.86-26,918.76-11,956.24

Finding the Fourth Proportional to 19,504.86, 26,918.76 and 11,956.24

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Solution

The fourth proportional to 19,504.86, 26,918.76 and 11,956.24 is: 16,500.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,504.86 : 26,918.76 = 11,956.24 : x
  2. Step 2: Convert to fraction form
    19,504.86/26,918.76 = 11,956.24/x
  3. Step 3: Cross multiply
    19,504.86x = 26,918.76 × 11,956.24
  4. Step 4: Simplify right side
    19,504.86x = 321,847,155.06
  5. Step 5: Solve for x
    x = 321,847,155.06/19,504.86
  6. Step 6: Final answer
    x = 16,500.87

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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.