Home / 14,651.60-21,981.37-4,789.58

Finding the Fourth Proportional to 14,651.60, 21,981.37 and 4,789.58

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Solution

The fourth proportional to 14,651.60, 21,981.37 and 4,789.58 is: 7,185.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,651.60 : 21,981.37 = 4,789.58 : x
  2. Step 2: Convert to fraction form
    14,651.60/21,981.37 = 4,789.58/x
  3. Step 3: Cross multiply
    14,651.60x = 21,981.37 × 4,789.58
  4. Step 4: Simplify right side
    14,651.60x = 105,281,530.12
  5. Step 5: Solve for x
    x = 105,281,530.12/14,651.60
  6. Step 6: Final answer
    x = 7,185.67

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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.