Home / 16,828.75-23,223.43-9,658.52

Finding the Fourth Proportional to 16,828.75, 23,223.43 and 9,658.52

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Solution

The fourth proportional to 16,828.75, 23,223.43 and 9,658.52 is: 13,328.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,828.75 : 23,223.43 = 9,658.52 : x
  2. Step 2: Convert to fraction form
    16,828.75/23,223.43 = 9,658.52/x
  3. Step 3: Cross multiply
    16,828.75x = 23,223.43 × 9,658.52
  4. Step 4: Simplify right side
    16,828.75x = 224,303,963.12
  5. Step 5: Solve for x
    x = 224,303,963.12/16,828.75
  6. Step 6: Final answer
    x = 13,328.62

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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.