Home / 25,416.96-35,078.88-14,809.92

Finding the Fourth Proportional to 25,416.96, 35,078.88 and 14,809.92

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Solution

The fourth proportional to 25,416.96, 35,078.88 and 14,809.92 is: 20,439.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,416.96 : 35,078.88 = 14,809.92 : x
  2. Step 2: Convert to fraction form
    25,416.96/35,078.88 = 14,809.92/x
  3. Step 3: Cross multiply
    25,416.96x = 35,078.88 × 14,809.92
  4. Step 4: Simplify right side
    25,416.96x = 519,515,406.49
  5. Step 5: Solve for x
    x = 519,515,406.49/25,416.96
  6. Step 6: Final answer
    x = 20,439.71

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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.