Home / 17,490.96-26,134.08-16,878.48

Finding the Fourth Proportional to 17,490.96, 26,134.08 and 16,878.48

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Solution

The fourth proportional to 17,490.96, 26,134.08 and 16,878.48 is: 25,218.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,490.96 : 26,134.08 = 16,878.48 : x
  2. Step 2: Convert to fraction form
    17,490.96/26,134.08 = 16,878.48/x
  3. Step 3: Cross multiply
    17,490.96x = 26,134.08 × 16,878.48
  4. Step 4: Simplify right side
    17,490.96x = 441,103,546.60
  5. Step 5: Solve for x
    x = 441,103,546.60/17,490.96
  6. Step 6: Final answer
    x = 25,218.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.