Home / 19,838.06-27,376.53-11,454.56

Finding the Fourth Proportional to 19,838.06, 27,376.53 and 11,454.56

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Solution

The fourth proportional to 19,838.06, 27,376.53 and 11,454.56 is: 15,807.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,838.06 : 27,376.53 = 11,454.56 : x
  2. Step 2: Convert to fraction form
    19,838.06/27,376.53 = 11,454.56/x
  3. Step 3: Cross multiply
    19,838.06x = 27,376.53 × 11,454.56
  4. Step 4: Simplify right side
    19,838.06x = 313,586,173.92
  5. Step 5: Solve for x
    x = 313,586,173.92/19,838.06
  6. Step 6: Final answer
    x = 15,807.30

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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.