Home / 13,260.98-19,927.94-12,394.08

Finding the Fourth Proportional to 13,260.98, 19,927.94 and 12,394.08

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Solution

The fourth proportional to 13,260.98, 19,927.94 and 12,394.08 is: 18,625.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,260.98 : 19,927.94 = 12,394.08 : x
  2. Step 2: Convert to fraction form
    13,260.98/19,927.94 = 12,394.08/x
  3. Step 3: Cross multiply
    13,260.98x = 19,927.94 × 12,394.08
  4. Step 4: Simplify right side
    13,260.98x = 246,988,482.60
  5. Step 5: Solve for x
    x = 246,988,482.60/13,260.98
  6. Step 6: Final answer
    x = 18,625.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.