Home / 14,418.09-19,885.77-9,110.97

Finding the Fourth Proportional to 14,418.09, 19,885.77 and 9,110.97

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Solution

The fourth proportional to 14,418.09, 19,885.77 and 9,110.97 is: 12,566.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,418.09 : 19,885.77 = 9,110.97 : x
  2. Step 2: Convert to fraction form
    14,418.09/19,885.77 = 9,110.97/x
  3. Step 3: Cross multiply
    14,418.09x = 19,885.77 × 9,110.97
  4. Step 4: Simplify right side
    14,418.09x = 181,178,653.90
  5. Step 5: Solve for x
    x = 181,178,653.90/14,418.09
  6. Step 6: Final answer
    x = 12,566.06

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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.