Home / 13,816.74-19,078.35-11,264.91

Finding the Fourth Proportional to 13,816.74, 19,078.35 and 11,264.91

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Solution

The fourth proportional to 13,816.74, 19,078.35 and 11,264.91 is: 15,554.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,816.74 : 19,078.35 = 11,264.91 : x
  2. Step 2: Convert to fraction form
    13,816.74/19,078.35 = 11,264.91/x
  3. Step 3: Cross multiply
    13,816.74x = 19,078.35 × 11,264.91
  4. Step 4: Simplify right side
    13,816.74x = 214,915,895.70
  5. Step 5: Solve for x
    x = 214,915,895.70/13,816.74
  6. Step 6: Final answer
    x = 15,554.75

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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.