Home / 22,205.09-30,625.74-13,250.67

Finding the Fourth Proportional to 22,205.09, 30,625.74 and 13,250.67

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Solution

The fourth proportional to 22,205.09, 30,625.74 and 13,250.67 is: 18,275.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,205.09 : 30,625.74 = 13,250.67 : x
  2. Step 2: Convert to fraction form
    22,205.09/30,625.74 = 13,250.67/x
  3. Step 3: Cross multiply
    22,205.09x = 30,625.74 × 13,250.67
  4. Step 4: Simplify right side
    22,205.09x = 405,811,574.25
  5. Step 5: Solve for x
    x = 405,811,574.25/22,205.09
  6. Step 6: Final answer
    x = 18,275.61

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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.