Home / 19,176.84-28,760.67-7,328.16

Finding the Fourth Proportional to 19,176.84, 28,760.67 and 7,328.16

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Solution

The fourth proportional to 19,176.84, 28,760.67 and 7,328.16 is: 10,990.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,176.84 : 28,760.67 = 7,328.16 : x
  2. Step 2: Convert to fraction form
    19,176.84/28,760.67 = 7,328.16/x
  3. Step 3: Cross multiply
    19,176.84x = 28,760.67 × 7,328.16
  4. Step 4: Simplify right side
    19,176.84x = 210,762,791.47
  5. Step 5: Solve for x
    x = 210,762,791.47/19,176.84
  6. Step 6: Final answer
    x = 10,990.49

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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.