Home / 14,085.03-19,435.98-8,418.66

Finding the Fourth Proportional to 14,085.03, 19,435.98 and 8,418.66

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Solution

The fourth proportional to 14,085.03, 19,435.98 and 8,418.66 is: 11,616.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,085.03 : 19,435.98 = 8,418.66 : x
  2. Step 2: Convert to fraction form
    14,085.03/19,435.98 = 8,418.66/x
  3. Step 3: Cross multiply
    14,085.03x = 19,435.98 × 8,418.66
  4. Step 4: Simplify right side
    14,085.03x = 163,624,907.39
  5. Step 5: Solve for x
    x = 163,624,907.39/14,085.03
  6. Step 6: Final answer
    x = 11,616.94

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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.