Home / 18,192.48-25,110.45-10,638.42

Finding the Fourth Proportional to 18,192.48, 25,110.45 and 10,638.42

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Solution

The fourth proportional to 18,192.48, 25,110.45 and 10,638.42 is: 14,683.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,192.48 : 25,110.45 = 10,638.42 : x
  2. Step 2: Convert to fraction form
    18,192.48/25,110.45 = 10,638.42/x
  3. Step 3: Cross multiply
    18,192.48x = 25,110.45 × 10,638.42
  4. Step 4: Simplify right side
    18,192.48x = 267,135,513.49
  5. Step 5: Solve for x
    x = 267,135,513.49/18,192.48
  6. Step 6: Final answer
    x = 14,683.84

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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.