Home / 19,314.48-28,976.23-5,986.77

Finding the Fourth Proportional to 19,314.48, 28,976.23 and 5,986.77

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Solution

The fourth proportional to 19,314.48, 28,976.23 and 5,986.77 is: 8,981.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,314.48 : 28,976.23 = 5,986.77 : x
  2. Step 2: Convert to fraction form
    19,314.48/28,976.23 = 5,986.77/x
  3. Step 3: Cross multiply
    19,314.48x = 28,976.23 × 5,986.77
  4. Step 4: Simplify right side
    19,314.48x = 173,474,024.48
  5. Step 5: Solve for x
    x = 173,474,024.48/19,314.48
  6. Step 6: Final answer
    x = 8,981.56

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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.