Home / 14,571.03-21,856.68-4,182.78

Finding the Fourth Proportional to 14,571.03, 21,856.68 and 4,182.78

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Solution

The fourth proportional to 14,571.03, 21,856.68 and 4,182.78 is: 6,274.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,571.03 : 21,856.68 = 4,182.78 : x
  2. Step 2: Convert to fraction form
    14,571.03/21,856.68 = 4,182.78/x
  3. Step 3: Cross multiply
    14,571.03x = 21,856.68 × 4,182.78
  4. Step 4: Simplify right side
    14,571.03x = 91,421,683.97
  5. Step 5: Solve for x
    x = 91,421,683.97/14,571.03
  6. Step 6: Final answer
    x = 6,274.21

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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.