Home / 23,589.18-32,553.18-12,978.99

Finding the Fourth Proportional to 23,589.18, 32,553.18 and 12,978.99

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Solution

The fourth proportional to 23,589.18, 32,553.18 and 12,978.99 is: 17,911.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,589.18 : 32,553.18 = 12,978.99 : x
  2. Step 2: Convert to fraction form
    23,589.18/32,553.18 = 12,978.99/x
  3. Step 3: Cross multiply
    23,589.18x = 32,553.18 × 12,978.99
  4. Step 4: Simplify right side
    23,589.18x = 422,507,397.69
  5. Step 5: Solve for x
    x = 422,507,397.69/23,589.18
  6. Step 6: Final answer
    x = 17,911.07

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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.