Home / 19,059.12-28,590.60-5,208.24

Finding the Fourth Proportional to 19,059.12, 28,590.60 and 5,208.24

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Solution

The fourth proportional to 19,059.12, 28,590.60 and 5,208.24 is: 7,812.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,059.12 : 28,590.60 = 5,208.24 : x
  2. Step 2: Convert to fraction form
    19,059.12/28,590.60 = 5,208.24/x
  3. Step 3: Cross multiply
    19,059.12x = 28,590.60 × 5,208.24
  4. Step 4: Simplify right side
    19,059.12x = 148,906,706.54
  5. Step 5: Solve for x
    x = 148,906,706.54/19,059.12
  6. Step 6: Final answer
    x = 7,812.88

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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.