Home / 16,767.12-23,148.74-11,106.70

Finding the Fourth Proportional to 16,767.12, 23,148.74 and 11,106.70

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Solution

The fourth proportional to 16,767.12, 23,148.74 and 11,106.70 is: 15,333.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,767.12 : 23,148.74 = 11,106.70 : x
  2. Step 2: Convert to fraction form
    16,767.12/23,148.74 = 11,106.70/x
  3. Step 3: Cross multiply
    16,767.12x = 23,148.74 × 11,106.70
  4. Step 4: Simplify right side
    16,767.12x = 257,106,110.56
  5. Step 5: Solve for x
    x = 257,106,110.56/16,767.12
  6. Step 6: Final answer
    x = 15,333.95

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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.