Home / 13,267.60-18,308.62-7,299.11

Finding the Fourth Proportional to 13,267.60, 18,308.62 and 7,299.11

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Solution

The fourth proportional to 13,267.60, 18,308.62 and 7,299.11 is: 10,072.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,267.60 : 18,308.62 = 7,299.11 : x
  2. Step 2: Convert to fraction form
    13,267.60/18,308.62 = 7,299.11/x
  3. Step 3: Cross multiply
    13,267.60x = 18,308.62 × 7,299.11
  4. Step 4: Simplify right side
    13,267.60x = 133,636,709.11
  5. Step 5: Solve for x
    x = 133,636,709.11/13,267.60
  6. Step 6: Final answer
    x = 10,072.41

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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.