Home / 14,106.81-19,453.97-8,440.66

Finding the Fourth Proportional to 14,106.81, 19,453.97 and 8,440.66

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Solution

The fourth proportional to 14,106.81, 19,453.97 and 8,440.66 is: 11,640.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,106.81 : 19,453.97 = 8,440.66 : x
  2. Step 2: Convert to fraction form
    14,106.81/19,453.97 = 8,440.66/x
  3. Step 3: Cross multiply
    14,106.81x = 19,453.97 × 8,440.66
  4. Step 4: Simplify right side
    14,106.81x = 164,204,391.84
  5. Step 5: Solve for x
    x = 164,204,391.84/14,106.81
  6. Step 6: Final answer
    x = 11,640.08

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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.