Home / 22,918.23-31,630.04-13,968.54

Finding the Fourth Proportional to 22,918.23, 31,630.04 and 13,968.54

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Solution

The fourth proportional to 22,918.23, 31,630.04 and 13,968.54 is: 19,278.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,918.23 : 31,630.04 = 13,968.54 : x
  2. Step 2: Convert to fraction form
    22,918.23/31,630.04 = 13,968.54/x
  3. Step 3: Cross multiply
    22,918.23x = 31,630.04 × 13,968.54
  4. Step 4: Simplify right side
    22,918.23x = 441,825,409.10
  5. Step 5: Solve for x
    x = 441,825,409.10/22,918.23
  6. Step 6: Final answer
    x = 19,278.34

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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.