Home / 22,668.63-33,775.10-21,395.37

Finding the Fourth Proportional to 22,668.63, 33,775.10 and 21,395.37

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Solution

The fourth proportional to 22,668.63, 33,775.10 and 21,395.37 is: 31,878.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,668.63 : 33,775.10 = 21,395.37 : x
  2. Step 2: Convert to fraction form
    22,668.63/33,775.10 = 21,395.37/x
  3. Step 3: Cross multiply
    22,668.63x = 33,775.10 × 21,395.37
  4. Step 4: Simplify right side
    22,668.63x = 722,630,761.29
  5. Step 5: Solve for x
    x = 722,630,761.29/22,668.63
  6. Step 6: Final answer
    x = 31,878.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.