Home / 29,145.96-43,707.84-10,422.54

Finding the Fourth Proportional to 29,145.96, 43,707.84 and 10,422.54

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Solution

The fourth proportional to 29,145.96, 43,707.84 and 10,422.54 is: 15,629.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,145.96 : 43,707.84 = 10,422.54 : x
  2. Step 2: Convert to fraction form
    29,145.96/43,707.84 = 10,422.54/x
  3. Step 3: Cross multiply
    29,145.96x = 43,707.84 × 10,422.54
  4. Step 4: Simplify right side
    29,145.96x = 455,546,710.71
  5. Step 5: Solve for x
    x = 455,546,710.71/29,145.96
  6. Step 6: Final answer
    x = 15,629.84

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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.