Home / 17,762.16-26,643.30-11,172

Finding the Fourth Proportional to 17,762.16, 26,643.30 and 11,172

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Solution

The fourth proportional to 17,762.16, 26,643.30 and 11,172 is: 16,758.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,762.16 : 26,643.30 = 11,172 : x
  2. Step 2: Convert to fraction form
    17,762.16/26,643.30 = 11,172/x
  3. Step 3: Cross multiply
    17,762.16x = 26,643.30 × 11,172
  4. Step 4: Simplify right side
    17,762.16x = 297,658,947.60
  5. Step 5: Solve for x
    x = 297,658,947.60/17,762.16
  6. Step 6: Final answer
    x = 16,758.04

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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.