Home / 25,331.08-34,955.80-13,999.99

Finding the Fourth Proportional to 25,331.08, 34,955.80 and 13,999.99

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Solution

The fourth proportional to 25,331.08, 34,955.80 and 13,999.99 is: 19,319.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,331.08 : 34,955.80 = 13,999.99 : x
  2. Step 2: Convert to fraction form
    25,331.08/34,955.80 = 13,999.99/x
  3. Step 3: Cross multiply
    25,331.08x = 34,955.80 × 13,999.99
  4. Step 4: Simplify right side
    25,331.08x = 489,380,850.44
  5. Step 5: Solve for x
    x = 489,380,850.44/25,331.08
  6. Step 6: Final answer
    x = 19,319.38

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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.