Home / 19,317.48-28,976.22-10,081.32

Finding the Fourth Proportional to 19,317.48, 28,976.22 and 10,081.32

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Solution

The fourth proportional to 19,317.48, 28,976.22 and 10,081.32 is: 15,121.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,317.48 : 28,976.22 = 10,081.32 : x
  2. Step 2: Convert to fraction form
    19,317.48/28,976.22 = 10,081.32/x
  3. Step 3: Cross multiply
    19,317.48x = 28,976.22 × 10,081.32
  4. Step 4: Simplify right side
    19,317.48x = 292,118,546.21
  5. Step 5: Solve for x
    x = 292,118,546.21/19,317.48
  6. Step 6: Final answer
    x = 15,121.98

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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.