Home / 19,076.48-28,616.64-7,071.88

Finding the Fourth Proportional to 19,076.48, 28,616.64 and 7,071.88

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Solution

The fourth proportional to 19,076.48, 28,616.64 and 7,071.88 is: 10,608.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,076.48 : 28,616.64 = 7,071.88 : x
  2. Step 2: Convert to fraction form
    19,076.48/28,616.64 = 7,071.88/x
  3. Step 3: Cross multiply
    19,076.48x = 28,616.64 × 7,071.88
  4. Step 4: Simplify right side
    19,076.48x = 202,373,444.08
  5. Step 5: Solve for x
    x = 202,373,444.08/19,076.48
  6. Step 6: Final answer
    x = 10,608.53

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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.