Home / 19,112.16-28,658.88-5,964.48

Finding the Fourth Proportional to 19,112.16, 28,658.88 and 5,964.48

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Solution

The fourth proportional to 19,112.16, 28,658.88 and 5,964.48 is: 8,943.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,112.16 : 28,658.88 = 5,964.48 : x
  2. Step 2: Convert to fraction form
    19,112.16/28,658.88 = 5,964.48/x
  3. Step 3: Cross multiply
    19,112.16x = 28,658.88 × 5,964.48
  4. Step 4: Simplify right side
    19,112.16x = 170,935,316.58
  5. Step 5: Solve for x
    x = 170,935,316.58/19,112.16
  6. Step 6: Final answer
    x = 8,943.80

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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.