Home / 22,745.25-31,388.67-13,314.02

Finding the Fourth Proportional to 22,745.25, 31,388.67 and 13,314.02

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Solution

The fourth proportional to 22,745.25, 31,388.67 and 13,314.02 is: 18,373.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,745.25 : 31,388.67 = 13,314.02 : x
  2. Step 2: Convert to fraction form
    22,745.25/31,388.67 = 13,314.02/x
  3. Step 3: Cross multiply
    22,745.25x = 31,388.67 × 13,314.02
  4. Step 4: Simplify right side
    22,745.25x = 417,909,223.21
  5. Step 5: Solve for x
    x = 417,909,223.21/22,745.25
  6. Step 6: Final answer
    x = 18,373.47

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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.