Home / 13,325.58-18,383.49-8,017.38

Finding the Fourth Proportional to 13,325.58, 18,383.49 and 8,017.38

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Solution

The fourth proportional to 13,325.58, 18,383.49 and 8,017.38 is: 11,060.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,325.58 : 18,383.49 = 8,017.38 : x
  2. Step 2: Convert to fraction form
    13,325.58/18,383.49 = 8,017.38/x
  3. Step 3: Cross multiply
    13,325.58x = 18,383.49 × 8,017.38
  4. Step 4: Simplify right side
    13,325.58x = 147,387,425.06
  5. Step 5: Solve for x
    x = 147,387,425.06/13,325.58
  6. Step 6: Final answer
    x = 11,060.49

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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.