Home / 22,745.04-31,389-12,673.52

Finding the Fourth Proportional to 22,745.04, 31,389 and 12,673.52

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Solution

The fourth proportional to 22,745.04, 31,389 and 12,673.52 is: 17,489.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,745.04 : 31,389 = 12,673.52 : x
  2. Step 2: Convert to fraction form
    22,745.04/31,389 = 12,673.52/x
  3. Step 3: Cross multiply
    22,745.04x = 31,389 × 12,673.52
  4. Step 4: Simplify right side
    22,745.04x = 397,809,119.28
  5. Step 5: Solve for x
    x = 397,809,119.28/22,745.04
  6. Step 6: Final answer
    x = 17,489.93

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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.