Home / 13,914.22-19,195.59-9,205.06

Finding the Fourth Proportional to 13,914.22, 19,195.59 and 9,205.06

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Solution

The fourth proportional to 13,914.22, 19,195.59 and 9,205.06 is: 12,698.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,914.22 : 19,195.59 = 9,205.06 : x
  2. Step 2: Convert to fraction form
    13,914.22/19,195.59 = 9,205.06/x
  3. Step 3: Cross multiply
    13,914.22x = 19,195.59 × 9,205.06
  4. Step 4: Simplify right side
    13,914.22x = 176,696,557.69
  5. Step 5: Solve for x
    x = 176,696,557.69/13,914.22
  6. Step 6: Final answer
    x = 12,698.99

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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.