Home / 13,785.09-19,013.23-8,744.96

Finding the Fourth Proportional to 13,785.09, 19,013.23 and 8,744.96

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Solution

The fourth proportional to 13,785.09, 19,013.23 and 8,744.96 is: 12,061.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,785.09 : 19,013.23 = 8,744.96 : x
  2. Step 2: Convert to fraction form
    13,785.09/19,013.23 = 8,744.96/x
  3. Step 3: Cross multiply
    13,785.09x = 19,013.23 × 8,744.96
  4. Step 4: Simplify right side
    13,785.09x = 166,269,994.29
  5. Step 5: Solve for x
    x = 166,269,994.29/13,785.09
  6. Step 6: Final answer
    x = 12,061.59

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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.