Home / 19,309.98-26,647.32-11,352.42

Finding the Fourth Proportional to 19,309.98, 26,647.32 and 11,352.42

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Solution

The fourth proportional to 19,309.98, 26,647.32 and 11,352.42 is: 15,666.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,309.98 : 26,647.32 = 11,352.42 : x
  2. Step 2: Convert to fraction form
    19,309.98/26,647.32 = 11,352.42/x
  3. Step 3: Cross multiply
    19,309.98x = 26,647.32 × 11,352.42
  4. Step 4: Simplify right side
    19,309.98x = 302,511,568.51
  5. Step 5: Solve for x
    x = 302,511,568.51/19,309.98
  6. Step 6: Final answer
    x = 15,666.07

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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.