Home / 16,751.81-23,112.78-10,786.93

Finding the Fourth Proportional to 16,751.81, 23,112.78 and 10,786.93

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Solution

The fourth proportional to 16,751.81, 23,112.78 and 10,786.93 is: 14,882.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,751.81 : 23,112.78 = 10,786.93 : x
  2. Step 2: Convert to fraction form
    16,751.81/23,112.78 = 10,786.93/x
  3. Step 3: Cross multiply
    16,751.81x = 23,112.78 × 10,786.93
  4. Step 4: Simplify right side
    16,751.81x = 249,315,939.97
  5. Step 5: Solve for x
    x = 249,315,939.97/16,751.81
  6. Step 6: Final answer
    x = 14,882.93

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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.