Home / 19,863.06-27,409.40-10,910.52

Finding the Fourth Proportional to 19,863.06, 27,409.40 and 10,910.52

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Solution

The fourth proportional to 19,863.06, 27,409.40 and 10,910.52 is: 15,055.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,863.06 : 27,409.40 = 10,910.52 : x
  2. Step 2: Convert to fraction form
    19,863.06/27,409.40 = 10,910.52/x
  3. Step 3: Cross multiply
    19,863.06x = 27,409.40 × 10,910.52
  4. Step 4: Simplify right side
    19,863.06x = 299,050,806.89
  5. Step 5: Solve for x
    x = 299,050,806.89/19,863.06
  6. Step 6: Final answer
    x = 15,055.63

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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.