Home / 13,844.40-19,096.76-9,866.80

Finding the Fourth Proportional to 13,844.40, 19,096.76 and 9,866.80

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Solution

The fourth proportional to 13,844.40, 19,096.76 and 9,866.80 is: 13,610.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,844.40 : 19,096.76 = 9,866.80 : x
  2. Step 2: Convert to fraction form
    13,844.40/19,096.76 = 9,866.80/x
  3. Step 3: Cross multiply
    13,844.40x = 19,096.76 × 9,866.80
  4. Step 4: Simplify right side
    13,844.40x = 188,423,911.57
  5. Step 5: Solve for x
    x = 188,423,911.57/13,844.40
  6. Step 6: Final answer
    x = 13,610.12

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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.