Home / 13,798.54-19,045.64-8,497.80

Finding the Fourth Proportional to 13,798.54, 19,045.64 and 8,497.80

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Solution

The fourth proportional to 13,798.54, 19,045.64 and 8,497.80 is: 11,729.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,798.54 : 19,045.64 = 8,497.80 : x
  2. Step 2: Convert to fraction form
    13,798.54/19,045.64 = 8,497.80/x
  3. Step 3: Cross multiply
    13,798.54x = 19,045.64 × 8,497.80
  4. Step 4: Simplify right side
    13,798.54x = 161,846,039.59
  5. Step 5: Solve for x
    x = 161,846,039.59/13,798.54
  6. Step 6: Final answer
    x = 11,729.21

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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.