Home / 19,081.48-26,345.22-11,922.30

Finding the Fourth Proportional to 19,081.48, 26,345.22 and 11,922.30

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Solution

The fourth proportional to 19,081.48, 26,345.22 and 11,922.30 is: 16,460.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,081.48 : 26,345.22 = 11,922.30 : x
  2. Step 2: Convert to fraction form
    19,081.48/26,345.22 = 11,922.30/x
  3. Step 3: Cross multiply
    19,081.48x = 26,345.22 × 11,922.30
  4. Step 4: Simplify right side
    19,081.48x = 314,095,616.41
  5. Step 5: Solve for x
    x = 314,095,616.41/19,081.48
  6. Step 6: Final answer
    x = 16,460.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.