Home / 22,466.51-31,004.07-12,395.36

Finding the Fourth Proportional to 22,466.51, 31,004.07 and 12,395.36

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Solution

The fourth proportional to 22,466.51, 31,004.07 and 12,395.36 is: 17,105.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,466.51 : 31,004.07 = 12,395.36 : x
  2. Step 2: Convert to fraction form
    22,466.51/31,004.07 = 12,395.36/x
  3. Step 3: Cross multiply
    22,466.51x = 31,004.07 × 12,395.36
  4. Step 4: Simplify right side
    22,466.51x = 384,306,609.12
  5. Step 5: Solve for x
    x = 384,306,609.12/22,466.51
  6. Step 6: Final answer
    x = 17,105.75

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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.