Home / 14,763.81-22,148.57-4,771.25

Finding the Fourth Proportional to 14,763.81, 22,148.57 and 4,771.25

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Solution

The fourth proportional to 14,763.81, 22,148.57 and 4,771.25 is: 7,157.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,763.81 : 22,148.57 = 4,771.25 : x
  2. Step 2: Convert to fraction form
    14,763.81/22,148.57 = 4,771.25/x
  3. Step 3: Cross multiply
    14,763.81x = 22,148.57 × 4,771.25
  4. Step 4: Simplify right side
    14,763.81x = 105,676,348.85
  5. Step 5: Solve for x
    x = 105,676,348.85/14,763.81
  6. Step 6: Final answer
    x = 7,157.79

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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.