Home / 16,880.07-25,317.44-10,620.92

Finding the Fourth Proportional to 16,880.07, 25,317.44 and 10,620.92

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Solution

The fourth proportional to 16,880.07, 25,317.44 and 10,620.92 is: 15,929.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,880.07 : 25,317.44 = 10,620.92 : x
  2. Step 2: Convert to fraction form
    16,880.07/25,317.44 = 10,620.92/x
  3. Step 3: Cross multiply
    16,880.07x = 25,317.44 × 10,620.92
  4. Step 4: Simplify right side
    16,880.07x = 268,894,504.84
  5. Step 5: Solve for x
    x = 268,894,504.84/16,880.07
  6. Step 6: Final answer
    x = 15,929.70

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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.