Home / 25,739.08-35,517.98-14,405.99

Finding the Fourth Proportional to 25,739.08, 35,517.98 and 14,405.99

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Solution

The fourth proportional to 25,739.08, 35,517.98 and 14,405.99 is: 19,879.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,739.08 : 35,517.98 = 14,405.99 : x
  2. Step 2: Convert to fraction form
    25,739.08/35,517.98 = 14,405.99/x
  3. Step 3: Cross multiply
    25,739.08x = 35,517.98 × 14,405.99
  4. Step 4: Simplify right side
    25,739.08x = 511,671,442.09
  5. Step 5: Solve for x
    x = 511,671,442.09/25,739.08
  6. Step 6: Final answer
    x = 19,879.16

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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.