Home / 16,865.80-23,271.78-10,896.28

Finding the Fourth Proportional to 16,865.80, 23,271.78 and 10,896.28

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Solution

The fourth proportional to 16,865.80, 23,271.78 and 10,896.28 is: 15,034.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,865.80 : 23,271.78 = 10,896.28 : x
  2. Step 2: Convert to fraction form
    16,865.80/23,271.78 = 10,896.28/x
  3. Step 3: Cross multiply
    16,865.80x = 23,271.78 × 10,896.28
  4. Step 4: Simplify right side
    16,865.80x = 253,575,830.98
  5. Step 5: Solve for x
    x = 253,575,830.98/16,865.80
  6. Step 6: Final answer
    x = 15,034.91

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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.