Home / 25,739.96-35,520.86-14,409.28

Finding the Fourth Proportional to 25,739.96, 35,520.86 and 14,409.28

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Solution

The fourth proportional to 25,739.96, 35,520.86 and 14,409.28 is: 19,884.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,739.96 : 35,520.86 = 14,409.28 : x
  2. Step 2: Convert to fraction form
    25,739.96/35,520.86 = 14,409.28/x
  3. Step 3: Cross multiply
    25,739.96x = 35,520.86 × 14,409.28
  4. Step 4: Simplify right side
    25,739.96x = 511,829,767.93
  5. Step 5: Solve for x
    x = 511,829,767.93/25,739.96
  6. Step 6: Final answer
    x = 19,884.64

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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.