Home / 15,935.70-23,896.35-7,166.10

Finding the Fourth Proportional to 15,935.70, 23,896.35 and 7,166.10

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Solution

The fourth proportional to 15,935.70, 23,896.35 and 7,166.10 is: 10,745.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,935.70 : 23,896.35 = 7,166.10 : x
  2. Step 2: Convert to fraction form
    15,935.70/23,896.35 = 7,166.10/x
  3. Step 3: Cross multiply
    15,935.70x = 23,896.35 × 7,166.10
  4. Step 4: Simplify right side
    15,935.70x = 171,243,633.74
  5. Step 5: Solve for x
    x = 171,243,633.74/15,935.70
  6. Step 6: Final answer
    x = 10,745.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.