Home / 23,268.79-32,130.32-21,580.36

Finding the Fourth Proportional to 23,268.79, 32,130.32 and 21,580.36

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Solution

The fourth proportional to 23,268.79, 32,130.32 and 21,580.36 is: 29,798.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,268.79 : 32,130.32 = 21,580.36 : x
  2. Step 2: Convert to fraction form
    23,268.79/32,130.32 = 21,580.36/x
  3. Step 3: Cross multiply
    23,268.79x = 32,130.32 × 21,580.36
  4. Step 4: Simplify right side
    23,268.79x = 693,383,872.52
  5. Step 5: Solve for x
    x = 693,383,872.52/23,268.79
  6. Step 6: Final answer
    x = 29,798.88

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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.