Home / 15,370.80-23,048.58-4,981.20

Finding the Fourth Proportional to 15,370.80, 23,048.58 and 4,981.20

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Solution

The fourth proportional to 15,370.80, 23,048.58 and 4,981.20 is: 7,469.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,370.80 : 23,048.58 = 4,981.20 : x
  2. Step 2: Convert to fraction form
    15,370.80/23,048.58 = 4,981.20/x
  3. Step 3: Cross multiply
    15,370.80x = 23,048.58 × 4,981.20
  4. Step 4: Simplify right side
    15,370.80x = 114,809,586.70
  5. Step 5: Solve for x
    x = 114,809,586.70/15,370.80
  6. Step 6: Final answer
    x = 7,469.33

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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.