Home / 19,051.22-26,281.94-12,339.09

Finding the Fourth Proportional to 19,051.22, 26,281.94 and 12,339.09

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Solution

The fourth proportional to 19,051.22, 26,281.94 and 12,339.09 is: 17,022.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,051.22 : 26,281.94 = 12,339.09 : x
  2. Step 2: Convert to fraction form
    19,051.22/26,281.94 = 12,339.09/x
  3. Step 3: Cross multiply
    19,051.22x = 26,281.94 × 12,339.09
  4. Step 4: Simplify right side
    19,051.22x = 324,295,161.34
  5. Step 5: Solve for x
    x = 324,295,161.34/19,051.22
  6. Step 6: Final answer
    x = 17,022.28

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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.