Home / 25,329.72-34,954.44-13,998.72

Finding the Fourth Proportional to 25,329.72, 34,954.44 and 13,998.72

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Solution

The fourth proportional to 25,329.72, 34,954.44 and 13,998.72 is: 19,317.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,329.72 : 34,954.44 = 13,998.72 : x
  2. Step 2: Convert to fraction form
    25,329.72/34,954.44 = 13,998.72/x
  3. Step 3: Cross multiply
    25,329.72x = 34,954.44 × 13,998.72
  4. Step 4: Simplify right side
    25,329.72x = 489,317,418.32
  5. Step 5: Solve for x
    x = 489,317,418.32/25,329.72
  6. Step 6: Final answer
    x = 19,317.92

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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.