Home / 19,838.36-27,376.93-11,340.66

Finding the Fourth Proportional to 19,838.36, 27,376.93 and 11,340.66

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Solution

The fourth proportional to 19,838.36, 27,376.93 and 11,340.66 is: 15,650.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,838.36 : 27,376.93 = 11,340.66 : x
  2. Step 2: Convert to fraction form
    19,838.36/27,376.93 = 11,340.66/x
  3. Step 3: Cross multiply
    19,838.36x = 27,376.93 × 11,340.66
  4. Step 4: Simplify right side
    19,838.36x = 310,472,454.97
  5. Step 5: Solve for x
    x = 310,472,454.97/19,838.36
  6. Step 6: Final answer
    x = 15,650.11

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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.