Home / 17,220.90-23,765.46-10,055.46

Finding the Fourth Proportional to 17,220.90, 23,765.46 and 10,055.46

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Solution

The fourth proportional to 17,220.90, 23,765.46 and 10,055.46 is: 13,876.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,220.90 : 23,765.46 = 10,055.46 : x
  2. Step 2: Convert to fraction form
    17,220.90/23,765.46 = 10,055.46/x
  3. Step 3: Cross multiply
    17,220.90x = 23,765.46 × 10,055.46
  4. Step 4: Simplify right side
    17,220.90x = 238,972,632.41
  5. Step 5: Solve for x
    x = 238,972,632.41/17,220.90
  6. Step 6: Final answer
    x = 13,876.90

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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.