Home / 34,401.12-51,606.27-13,619.76

Finding the Fourth Proportional to 34,401.12, 51,606.27 and 13,619.76

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Solution

The fourth proportional to 34,401.12, 51,606.27 and 13,619.76 is: 20,431.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,401.12 : 51,606.27 = 13,619.76 : x
  2. Step 2: Convert to fraction form
    34,401.12/51,606.27 = 13,619.76/x
  3. Step 3: Cross multiply
    34,401.12x = 51,606.27 × 13,619.76
  4. Step 4: Simplify right side
    34,401.12x = 702,865,011.90
  5. Step 5: Solve for x
    x = 702,865,011.90/34,401.12
  6. Step 6: Final answer
    x = 20,431.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.