Home / 14,991.75-22,513.14-14,364.81

Finding the Fourth Proportional to 14,991.75, 22,513.14 and 14,364.81

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Solution

The fourth proportional to 14,991.75, 22,513.14 and 14,364.81 is: 21,571.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,991.75 : 22,513.14 = 14,364.81 : x
  2. Step 2: Convert to fraction form
    14,991.75/22,513.14 = 14,364.81/x
  3. Step 3: Cross multiply
    14,991.75x = 22,513.14 × 14,364.81
  4. Step 4: Simplify right side
    14,991.75x = 323,396,978.60
  5. Step 5: Solve for x
    x = 323,396,978.60/14,991.75
  6. Step 6: Final answer
    x = 21,571.66

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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.