Home / 18,721.85-25,835.94-10,223.94

Finding the Fourth Proportional to 18,721.85, 25,835.94 and 10,223.94

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Solution

The fourth proportional to 18,721.85, 25,835.94 and 10,223.94 is: 14,108.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,721.85 : 25,835.94 = 10,223.94 : x
  2. Step 2: Convert to fraction form
    18,721.85/25,835.94 = 10,223.94/x
  3. Step 3: Cross multiply
    18,721.85x = 25,835.94 × 10,223.94
  4. Step 4: Simplify right side
    18,721.85x = 264,145,100.40
  5. Step 5: Solve for x
    x = 264,145,100.40/18,721.85
  6. Step 6: Final answer
    x = 14,108.92

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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.