Home / 19,175.52-28,763.04-5,324.40

Finding the Fourth Proportional to 19,175.52, 28,763.04 and 5,324.40

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Solution

The fourth proportional to 19,175.52, 28,763.04 and 5,324.40 is: 7,986.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,175.52 : 28,763.04 = 5,324.40 : x
  2. Step 2: Convert to fraction form
    19,175.52/28,763.04 = 5,324.40/x
  3. Step 3: Cross multiply
    19,175.52x = 28,763.04 × 5,324.40
  4. Step 4: Simplify right side
    19,175.52x = 153,145,930.18
  5. Step 5: Solve for x
    x = 153,145,930.18/19,175.52
  6. Step 6: Final answer
    x = 7,986.53

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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.