Home / 23,979.56-35,973.18-10,128.68

Finding the Fourth Proportional to 23,979.56, 35,973.18 and 10,128.68

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Solution

The fourth proportional to 23,979.56, 35,973.18 and 10,128.68 is: 15,194.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,979.56 : 35,973.18 = 10,128.68 : x
  2. Step 2: Convert to fraction form
    23,979.56/35,973.18 = 10,128.68/x
  3. Step 3: Cross multiply
    23,979.56x = 35,973.18 × 10,128.68
  4. Step 4: Simplify right side
    23,979.56x = 364,360,828.80
  5. Step 5: Solve for x
    x = 364,360,828.80/23,979.56
  6. Step 6: Final answer
    x = 15,194.64

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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.