Home / 17,918.21-24,670.65-16,257.45

Finding the Fourth Proportional to 17,918.21, 24,670.65 and 16,257.45

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Solution

The fourth proportional to 17,918.21, 24,670.65 and 16,257.45 is: 22,384.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,918.21 : 24,670.65 = 16,257.45 : x
  2. Step 2: Convert to fraction form
    17,918.21/24,670.65 = 16,257.45/x
  3. Step 3: Cross multiply
    17,918.21x = 24,670.65 × 16,257.45
  4. Step 4: Simplify right side
    17,918.21x = 401,081,858.84
  5. Step 5: Solve for x
    x = 401,081,858.84/17,918.21
  6. Step 6: Final answer
    x = 22,384.04

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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.