Home / 17,263.89-23,820.84-12,491.28

Finding the Fourth Proportional to 17,263.89, 23,820.84 and 12,491.28

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Solution

The fourth proportional to 17,263.89, 23,820.84 and 12,491.28 is: 17,235.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,263.89 : 23,820.84 = 12,491.28 : x
  2. Step 2: Convert to fraction form
    17,263.89/23,820.84 = 12,491.28/x
  3. Step 3: Cross multiply
    17,263.89x = 23,820.84 × 12,491.28
  4. Step 4: Simplify right side
    17,263.89x = 297,552,782.28
  5. Step 5: Solve for x
    x = 297,552,782.28/17,263.89
  6. Step 6: Final answer
    x = 17,235.56

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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.