Home / 33,325.22-45,988.90-18,218.18

Finding the Fourth Proportional to 33,325.22, 45,988.90 and 18,218.18

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Solution

The fourth proportional to 33,325.22, 45,988.90 and 18,218.18 is: 25,141.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,325.22 : 45,988.90 = 18,218.18 : x
  2. Step 2: Convert to fraction form
    33,325.22/45,988.90 = 18,218.18/x
  3. Step 3: Cross multiply
    33,325.22x = 45,988.90 × 18,218.18
  4. Step 4: Simplify right side
    33,325.22x = 837,834,058.20
  5. Step 5: Solve for x
    x = 837,834,058.20/33,325.22
  6. Step 6: Final answer
    x = 25,141.14

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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.