Home / 13,885.76-19,162.26-7,512.33

Finding the Fourth Proportional to 13,885.76, 19,162.26 and 7,512.33

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Solution

The fourth proportional to 13,885.76, 19,162.26 and 7,512.33 is: 10,366.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,885.76 : 19,162.26 = 7,512.33 : x
  2. Step 2: Convert to fraction form
    13,885.76/19,162.26 = 7,512.33/x
  3. Step 3: Cross multiply
    13,885.76x = 19,162.26 × 7,512.33
  4. Step 4: Simplify right side
    13,885.76x = 143,953,184.74
  5. Step 5: Solve for x
    x = 143,953,184.74/13,885.76
  6. Step 6: Final answer
    x = 10,366.96

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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.