Home / 21,370.44-32,055.66-10,270.20

Finding the Fourth Proportional to 21,370.44, 32,055.66 and 10,270.20

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Solution

The fourth proportional to 21,370.44, 32,055.66 and 10,270.20 is: 15,405.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,370.44 : 32,055.66 = 10,270.20 : x
  2. Step 2: Convert to fraction form
    21,370.44/32,055.66 = 10,270.20/x
  3. Step 3: Cross multiply
    21,370.44x = 32,055.66 × 10,270.20
  4. Step 4: Simplify right side
    21,370.44x = 329,218,039.33
  5. Step 5: Solve for x
    x = 329,218,039.33/21,370.44
  6. Step 6: Final answer
    x = 15,405.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.