Home / 13,567.38-18,724.54-8,265.30

Finding the Fourth Proportional to 13,567.38, 18,724.54 and 8,265.30

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Solution

The fourth proportional to 13,567.38, 18,724.54 and 8,265.30 is: 11,407.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,567.38 : 18,724.54 = 8,265.30 : x
  2. Step 2: Convert to fraction form
    13,567.38/18,724.54 = 8,265.30/x
  3. Step 3: Cross multiply
    13,567.38x = 18,724.54 × 8,265.30
  4. Step 4: Simplify right side
    13,567.38x = 154,763,940.46
  5. Step 5: Solve for x
    x = 154,763,940.46/13,567.38
  6. Step 6: Final answer
    x = 11,407.06

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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.