Home / 14,006.20-19,330.51-8,040.25

Finding the Fourth Proportional to 14,006.20, 19,330.51 and 8,040.25

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Solution

The fourth proportional to 14,006.20, 19,330.51 and 8,040.25 is: 11,096.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,006.20 : 19,330.51 = 8,040.25 : x
  2. Step 2: Convert to fraction form
    14,006.20/19,330.51 = 8,040.25/x
  3. Step 3: Cross multiply
    14,006.20x = 19,330.51 × 8,040.25
  4. Step 4: Simplify right side
    14,006.20x = 155,422,133.03
  5. Step 5: Solve for x
    x = 155,422,133.03/14,006.20
  6. Step 6: Final answer
    x = 11,096.67

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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.