Home / 19,886.93-27,444.38-10,934.81

Finding the Fourth Proportional to 19,886.93, 27,444.38 and 10,934.81

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Solution

The fourth proportional to 19,886.93, 27,444.38 and 10,934.81 is: 15,090.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,886.93 : 27,444.38 = 10,934.81 : x
  2. Step 2: Convert to fraction form
    19,886.93/27,444.38 = 10,934.81/x
  3. Step 3: Cross multiply
    19,886.93x = 27,444.38 × 10,934.81
  4. Step 4: Simplify right side
    19,886.93x = 300,099,080.87
  5. Step 5: Solve for x
    x = 300,099,080.87/19,886.93
  6. Step 6: Final answer
    x = 15,090.27

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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.