Home / 13,852.89-19,116.85-8,474.41

Finding the Fourth Proportional to 13,852.89, 19,116.85 and 8,474.41

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Solution

The fourth proportional to 13,852.89, 19,116.85 and 8,474.41 is: 11,694.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,852.89 : 19,116.85 = 8,474.41 : x
  2. Step 2: Convert to fraction form
    13,852.89/19,116.85 = 8,474.41/x
  3. Step 3: Cross multiply
    13,852.89x = 19,116.85 × 8,474.41
  4. Step 4: Simplify right side
    13,852.89x = 162,004,024.81
  5. Step 5: Solve for x
    x = 162,004,024.81/13,852.89
  6. Step 6: Final answer
    x = 11,694.60

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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.