Home / 13,267.62-18,308.60-7,298.32

Finding the Fourth Proportional to 13,267.62, 18,308.60 and 7,298.32

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Solution

The fourth proportional to 13,267.62, 18,308.60 and 7,298.32 is: 10,071.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,267.62 : 18,308.60 = 7,298.32 : x
  2. Step 2: Convert to fraction form
    13,267.62/18,308.60 = 7,298.32/x
  3. Step 3: Cross multiply
    13,267.62x = 18,308.60 × 7,298.32
  4. Step 4: Simplify right side
    13,267.62x = 133,622,021.55
  5. Step 5: Solve for x
    x = 133,622,021.55/13,267.62
  6. Step 6: Final answer
    x = 10,071.29

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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.