Home / 13,794.40-19,036.20-7,506.82

Finding the Fourth Proportional to 13,794.40, 19,036.20 and 7,506.82

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Solution

The fourth proportional to 13,794.40, 19,036.20 and 7,506.82 is: 10,359.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,794.40 : 19,036.20 = 7,506.82 : x
  2. Step 2: Convert to fraction form
    13,794.40/19,036.20 = 7,506.82/x
  3. Step 3: Cross multiply
    13,794.40x = 19,036.20 × 7,506.82
  4. Step 4: Simplify right side
    13,794.40x = 142,901,326.88
  5. Step 5: Solve for x
    x = 142,901,326.88/13,794.40
  6. Step 6: Final answer
    x = 10,359.37

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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.