Home / 14,126.32-21,174.70-4,763.10

Finding the Fourth Proportional to 14,126.32, 21,174.70 and 4,763.10

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Solution

The fourth proportional to 14,126.32, 21,174.70 and 4,763.10 is: 7,139.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,126.32 : 21,174.70 = 4,763.10 : x
  2. Step 2: Convert to fraction form
    14,126.32/21,174.70 = 4,763.10/x
  3. Step 3: Cross multiply
    14,126.32x = 21,174.70 × 4,763.10
  4. Step 4: Simplify right side
    14,126.32x = 100,857,213.57
  5. Step 5: Solve for x
    x = 100,857,213.57/14,126.32
  6. Step 6: Final answer
    x = 7,139.67

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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.