Home / 14,257.14-19,645.30-12,125.22

Finding the Fourth Proportional to 14,257.14, 19,645.30 and 12,125.22

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Solution

The fourth proportional to 14,257.14, 19,645.30 and 12,125.22 is: 16,707.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,257.14 : 19,645.30 = 12,125.22 : x
  2. Step 2: Convert to fraction form
    14,257.14/19,645.30 = 12,125.22/x
  3. Step 3: Cross multiply
    14,257.14x = 19,645.30 × 12,125.22
  4. Step 4: Simplify right side
    14,257.14x = 238,203,584.47
  5. Step 5: Solve for x
    x = 238,203,584.47/14,257.14
  6. Step 6: Final answer
    x = 16,707.67

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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.