Home / 17,665.20-26,348.99-16,440.48

Finding the Fourth Proportional to 17,665.20, 26,348.99 and 16,440.48

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Solution

The fourth proportional to 17,665.20, 26,348.99 and 16,440.48 is: 24,522.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,665.20 : 26,348.99 = 16,440.48 : x
  2. Step 2: Convert to fraction form
    17,665.20/26,348.99 = 16,440.48/x
  3. Step 3: Cross multiply
    17,665.20x = 26,348.99 × 16,440.48
  4. Step 4: Simplify right side
    17,665.20x = 433,189,960.91
  5. Step 5: Solve for x
    x = 433,189,960.91/17,665.20
  6. Step 6: Final answer
    x = 24,522.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.