Home / 13,896-19,176.55-7,927.61

Finding the Fourth Proportional to 13,896, 19,176.55 and 7,927.61

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Solution

The fourth proportional to 13,896, 19,176.55 and 7,927.61 is: 10,940.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,896 : 19,176.55 = 7,927.61 : x
  2. Step 2: Convert to fraction form
    13,896/19,176.55 = 7,927.61/x
  3. Step 3: Cross multiply
    13,896x = 19,176.55 × 7,927.61
  4. Step 4: Simplify right side
    13,896x = 152,024,093.84
  5. Step 5: Solve for x
    x = 152,024,093.84/13,896
  6. Step 6: Final answer
    x = 10,940.13

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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.