Home / 23,589.90-32,553.95-12,979.49

Finding the Fourth Proportional to 23,589.90, 32,553.95 and 12,979.49

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Solution

The fourth proportional to 23,589.90, 32,553.95 and 12,979.49 is: 17,911.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,589.90 : 32,553.95 = 12,979.49 : x
  2. Step 2: Convert to fraction form
    23,589.90/32,553.95 = 12,979.49/x
  3. Step 3: Cross multiply
    23,589.90x = 32,553.95 × 12,979.49
  4. Step 4: Simplify right side
    23,589.90x = 422,533,440.82
  5. Step 5: Solve for x
    x = 422,533,440.82/23,589.90
  6. Step 6: Final answer
    x = 17,911.62

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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.