Home / 12,106.66-16,668.57-10,331.14

Finding the Fourth Proportional to 12,106.66, 16,668.57 and 10,331.14

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Solution

The fourth proportional to 12,106.66, 16,668.57 and 10,331.14 is: 14,224.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,106.66 : 16,668.57 = 10,331.14 : x
  2. Step 2: Convert to fraction form
    12,106.66/16,668.57 = 10,331.14/x
  3. Step 3: Cross multiply
    12,106.66x = 16,668.57 × 10,331.14
  4. Step 4: Simplify right side
    12,106.66x = 172,205,330.27
  5. Step 5: Solve for x
    x = 172,205,330.27/12,106.66
  6. Step 6: Final answer
    x = 14,224.02

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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.