Home / 16,785.84-25,124.86-11,150.51

Finding the Fourth Proportional to 16,785.84, 25,124.86 and 11,150.51

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Solution

The fourth proportional to 16,785.84, 25,124.86 and 11,150.51 is: 16,689.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,785.84 : 25,124.86 = 11,150.51 : x
  2. Step 2: Convert to fraction form
    16,785.84/25,124.86 = 11,150.51/x
  3. Step 3: Cross multiply
    16,785.84x = 25,124.86 × 11,150.51
  4. Step 4: Simplify right side
    16,785.84x = 280,155,079.43
  5. Step 5: Solve for x
    x = 280,155,079.43/16,785.84
  6. Step 6: Final answer
    x = 16,689.96

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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.