Home / 13,083.99-18,036.84-9,934.71

Finding the Fourth Proportional to 13,083.99, 18,036.84 and 9,934.71

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Solution

The fourth proportional to 13,083.99, 18,036.84 and 9,934.71 is: 13,695.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,083.99 : 18,036.84 = 9,934.71 : x
  2. Step 2: Convert to fraction form
    13,083.99/18,036.84 = 9,934.71/x
  3. Step 3: Cross multiply
    13,083.99x = 18,036.84 × 9,934.71
  4. Step 4: Simplify right side
    13,083.99x = 179,190,774.72
  5. Step 5: Solve for x
    x = 179,190,774.72/13,083.99
  6. Step 6: Final answer
    x = 13,695.42

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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.