Home / 14,641.09-21,910.56-11,977.81

Finding the Fourth Proportional to 14,641.09, 21,910.56 and 11,977.81

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Solution

The fourth proportional to 14,641.09, 21,910.56 and 11,977.81 is: 17,924.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,641.09 : 21,910.56 = 11,977.81 : x
  2. Step 2: Convert to fraction form
    14,641.09/21,910.56 = 11,977.81/x
  3. Step 3: Cross multiply
    14,641.09x = 21,910.56 × 11,977.81
  4. Step 4: Simplify right side
    14,641.09x = 262,440,524.67
  5. Step 5: Solve for x
    x = 262,440,524.67/14,641.09
  6. Step 6: Final answer
    x = 17,924.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.