Home / 19,313.66-28,973.75-5,983.59

Finding the Fourth Proportional to 19,313.66, 28,973.75 and 5,983.59

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Solution

The fourth proportional to 19,313.66, 28,973.75 and 5,983.59 is: 8,976.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,313.66 : 28,973.75 = 5,983.59 : x
  2. Step 2: Convert to fraction form
    19,313.66/28,973.75 = 5,983.59/x
  3. Step 3: Cross multiply
    19,313.66x = 28,973.75 × 5,983.59
  4. Step 4: Simplify right side
    19,313.66x = 173,366,990.18
  5. Step 5: Solve for x
    x = 173,366,990.18/19,313.66
  6. Step 6: Final answer
    x = 8,976.39

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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.