Home / 19,838.54-27,378.92-10,887.77

Finding the Fourth Proportional to 19,838.54, 27,378.92 and 10,887.77

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Solution

The fourth proportional to 19,838.54, 27,378.92 and 10,887.77 is: 15,026.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,838.54 : 27,378.92 = 10,887.77 : x
  2. Step 2: Convert to fraction form
    19,838.54/27,378.92 = 10,887.77/x
  3. Step 3: Cross multiply
    19,838.54x = 27,378.92 × 10,887.77
  4. Step 4: Simplify right side
    19,838.54x = 298,095,383.81
  5. Step 5: Solve for x
    x = 298,095,383.81/19,838.54
  6. Step 6: Final answer
    x = 15,026.07

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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.