Home / 19,405.12-29,112.06-10,635.52

Finding the Fourth Proportional to 19,405.12, 29,112.06 and 10,635.52

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Solution

The fourth proportional to 19,405.12, 29,112.06 and 10,635.52 is: 15,955.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,405.12 : 29,112.06 = 10,635.52 : x
  2. Step 2: Convert to fraction form
    19,405.12/29,112.06 = 10,635.52/x
  3. Step 3: Cross multiply
    19,405.12x = 29,112.06 × 10,635.52
  4. Step 4: Simplify right side
    19,405.12x = 309,621,896.37
  5. Step 5: Solve for x
    x = 309,621,896.37/19,405.12
  6. Step 6: Final answer
    x = 15,955.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.