Home / 13,809.51-20,713.74-4,450.02

Finding the Fourth Proportional to 13,809.51, 20,713.74 and 4,450.02

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Solution

The fourth proportional to 13,809.51, 20,713.74 and 4,450.02 is: 6,674.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,809.51 : 20,713.74 = 4,450.02 : x
  2. Step 2: Convert to fraction form
    13,809.51/20,713.74 = 4,450.02/x
  3. Step 3: Cross multiply
    13,809.51x = 20,713.74 × 4,450.02
  4. Step 4: Simplify right side
    13,809.51x = 92,176,557.27
  5. Step 5: Solve for x
    x = 92,176,557.27/13,809.51
  6. Step 6: Final answer
    x = 6,674.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.