Home / 19,112.49-28,670.49-5,964.84

Finding the Fourth Proportional to 19,112.49, 28,670.49 and 5,964.84

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Solution

The fourth proportional to 19,112.49, 28,670.49 and 5,964.84 is: 8,947.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,112.49 : 28,670.49 = 5,964.84 : x
  2. Step 2: Convert to fraction form
    19,112.49/28,670.49 = 5,964.84/x
  3. Step 3: Cross multiply
    19,112.49x = 28,670.49 × 5,964.84
  4. Step 4: Simplify right side
    19,112.49x = 171,014,885.57
  5. Step 5: Solve for x
    x = 171,014,885.57/19,112.49
  6. Step 6: Final answer
    x = 8,947.81

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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.