Home / 19,115.16-28,663.38-5,967.48

Finding the Fourth Proportional to 19,115.16, 28,663.38 and 5,967.48

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Solution

The fourth proportional to 19,115.16, 28,663.38 and 5,967.48 is: 8,948.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,115.16 : 28,663.38 = 5,967.48 : x
  2. Step 2: Convert to fraction form
    19,115.16/28,663.38 = 5,967.48/x
  3. Step 3: Cross multiply
    19,115.16x = 28,663.38 × 5,967.48
  4. Step 4: Simplify right side
    19,115.16x = 171,048,146.88
  5. Step 5: Solve for x
    x = 171,048,146.88/19,115.16
  6. Step 6: Final answer
    x = 8,948.30

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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.