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Finding the Fourth Proportional to 14,393.33, 19,867.78 and 8,426.92

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Solution

The fourth proportional to 14,393.33, 19,867.78 and 8,426.92 is: 11,632.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,393.33 : 19,867.78 = 8,426.92 : x
  2. Step 2: Convert to fraction form
    14,393.33/19,867.78 = 8,426.92/x
  3. Step 3: Cross multiply
    14,393.33x = 19,867.78 × 8,426.92
  4. Step 4: Simplify right side
    14,393.33x = 167,424,192.64
  5. Step 5: Solve for x
    x = 167,424,192.64/14,393.33
  6. Step 6: Final answer
    x = 11,632.07

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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.