Home / 13,850.84-19,111.02-13,376.60

Finding the Fourth Proportional to 13,850.84, 19,111.02 and 13,376.60

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Solution

The fourth proportional to 13,850.84, 19,111.02 and 13,376.60 is: 18,456.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,850.84 : 19,111.02 = 13,376.60 : x
  2. Step 2: Convert to fraction form
    13,850.84/19,111.02 = 13,376.60/x
  3. Step 3: Cross multiply
    13,850.84x = 19,111.02 × 13,376.60
  4. Step 4: Simplify right side
    13,850.84x = 255,640,470.13
  5. Step 5: Solve for x
    x = 255,640,470.13/13,850.84
  6. Step 6: Final answer
    x = 18,456.68

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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.