Home / 13,776.91-19,008.88-9,796.57

Finding the Fourth Proportional to 13,776.91, 19,008.88 and 9,796.57

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Solution

The fourth proportional to 13,776.91, 19,008.88 and 9,796.57 is: 13,516.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,776.91 : 19,008.88 = 9,796.57 : x
  2. Step 2: Convert to fraction form
    13,776.91/19,008.88 = 9,796.57/x
  3. Step 3: Cross multiply
    13,776.91x = 19,008.88 × 9,796.57
  4. Step 4: Simplify right side
    13,776.91x = 186,221,823.54
  5. Step 5: Solve for x
    x = 186,221,823.54/13,776.91
  6. Step 6: Final answer
    x = 13,516.95

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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.