Home / 19,450.89-26,841.84-11,389.30

Finding the Fourth Proportional to 19,450.89, 26,841.84 and 11,389.30

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Solution

The fourth proportional to 19,450.89, 26,841.84 and 11,389.30 is: 15,717.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,450.89 : 26,841.84 = 11,389.30 : x
  2. Step 2: Convert to fraction form
    19,450.89/26,841.84 = 11,389.30/x
  3. Step 3: Cross multiply
    19,450.89x = 26,841.84 × 11,389.30
  4. Step 4: Simplify right side
    19,450.89x = 305,709,768.31
  5. Step 5: Solve for x
    x = 305,709,768.31/19,450.89
  6. Step 6: Final answer
    x = 15,717.01

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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.