Home / 23,308.40-32,160.48-15,243.92

Finding the Fourth Proportional to 23,308.40, 32,160.48 and 15,243.92

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Solution

The fourth proportional to 23,308.40, 32,160.48 and 15,243.92 is: 21,033.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,308.40 : 32,160.48 = 15,243.92 : x
  2. Step 2: Convert to fraction form
    23,308.40/32,160.48 = 15,243.92/x
  3. Step 3: Cross multiply
    23,308.40x = 32,160.48 × 15,243.92
  4. Step 4: Simplify right side
    23,308.40x = 490,251,784.28
  5. Step 5: Solve for x
    x = 490,251,784.28/23,308.40
  6. Step 6: Final answer
    x = 21,033.27

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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.