Home / 33,130.35-45,719.06-18,982.28

Finding the Fourth Proportional to 33,130.35, 45,719.06 and 18,982.28

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Solution

The fourth proportional to 33,130.35, 45,719.06 and 18,982.28 is: 26,195.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,130.35 : 45,719.06 = 18,982.28 : x
  2. Step 2: Convert to fraction form
    33,130.35/45,719.06 = 18,982.28/x
  3. Step 3: Cross multiply
    33,130.35x = 45,719.06 × 18,982.28
  4. Step 4: Simplify right side
    33,130.35x = 867,851,998.26
  5. Step 5: Solve for x
    x = 867,851,998.26/33,130.35
  6. Step 6: Final answer
    x = 26,195.07

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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.