Home / 23,589.84-32,553.36-12,979.56

Finding the Fourth Proportional to 23,589.84, 32,553.36 and 12,979.56

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Solution

The fourth proportional to 23,589.84, 32,553.36 and 12,979.56 is: 17,911.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,589.84 : 32,553.36 = 12,979.56 : x
  2. Step 2: Convert to fraction form
    23,589.84/32,553.36 = 12,979.56/x
  3. Step 3: Cross multiply
    23,589.84x = 32,553.36 × 12,979.56
  4. Step 4: Simplify right side
    23,589.84x = 422,528,289.32
  5. Step 5: Solve for x
    x = 422,528,289.32/23,589.84
  6. Step 6: Final answer
    x = 17,911.45

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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.