Home / 14,571.12-21,886.12-8,738.80

Finding the Fourth Proportional to 14,571.12, 21,886.12 and 8,738.80

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Solution

The fourth proportional to 14,571.12, 21,886.12 and 8,738.80 is: 13,125.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,571.12 : 21,886.12 = 8,738.80 : x
  2. Step 2: Convert to fraction form
    14,571.12/21,886.12 = 8,738.80/x
  3. Step 3: Cross multiply
    14,571.12x = 21,886.12 × 8,738.80
  4. Step 4: Simplify right side
    14,571.12x = 191,258,425.46
  5. Step 5: Solve for x
    x = 191,258,425.46/14,571.12
  6. Step 6: Final answer
    x = 13,125.86

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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.