Home / 18,164.76-25,054.38-15,770.04

Finding the Fourth Proportional to 18,164.76, 25,054.38 and 15,770.04

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Solution

The fourth proportional to 18,164.76, 25,054.38 and 15,770.04 is: 21,751.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,164.76 : 25,054.38 = 15,770.04 : x
  2. Step 2: Convert to fraction form
    18,164.76/25,054.38 = 15,770.04/x
  3. Step 3: Cross multiply
    18,164.76x = 25,054.38 × 15,770.04
  4. Step 4: Simplify right side
    18,164.76x = 395,108,574.78
  5. Step 5: Solve for x
    x = 395,108,574.78/18,164.76
  6. Step 6: Final answer
    x = 21,751.38

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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.