Home / 17,377.17-23,977.16-10,999.28

Finding the Fourth Proportional to 17,377.17, 23,977.16 and 10,999.28

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Solution

The fourth proportional to 17,377.17, 23,977.16 and 10,999.28 is: 15,176.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,377.17 : 23,977.16 = 10,999.28 : x
  2. Step 2: Convert to fraction form
    17,377.17/23,977.16 = 10,999.28/x
  3. Step 3: Cross multiply
    17,377.17x = 23,977.16 × 10,999.28
  4. Step 4: Simplify right side
    17,377.17x = 263,731,321.56
  5. Step 5: Solve for x
    x = 263,731,321.56/17,377.17
  6. Step 6: Final answer
    x = 15,176.89

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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.