Home / 25,155.84-37,717.20-14,078.88

Finding the Fourth Proportional to 25,155.84, 37,717.20 and 14,078.88

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Solution

The fourth proportional to 25,155.84, 37,717.20 and 14,078.88 is: 21,109.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,155.84 : 37,717.20 = 14,078.88 : x
  2. Step 2: Convert to fraction form
    25,155.84/37,717.20 = 14,078.88/x
  3. Step 3: Cross multiply
    25,155.84x = 37,717.20 × 14,078.88
  4. Step 4: Simplify right side
    25,155.84x = 531,015,932.74
  5. Step 5: Solve for x
    x = 531,015,932.74/25,155.84
  6. Step 6: Final answer
    x = 21,109.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.