Home / 13,855.89-19,096.41-10,490.67

Finding the Fourth Proportional to 13,855.89, 19,096.41 and 10,490.67

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Solution

The fourth proportional to 13,855.89, 19,096.41 and 10,490.67 is: 14,458.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,855.89 : 19,096.41 = 10,490.67 : x
  2. Step 2: Convert to fraction form
    13,855.89/19,096.41 = 10,490.67/x
  3. Step 3: Cross multiply
    13,855.89x = 19,096.41 × 10,490.67
  4. Step 4: Simplify right side
    13,855.89x = 200,334,135.49
  5. Step 5: Solve for x
    x = 200,334,135.49/13,855.89
  6. Step 6: Final answer
    x = 14,458.41

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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.