Home / 13,267.05-18,308.33-7,298.36

Finding the Fourth Proportional to 13,267.05, 18,308.33 and 7,298.36

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Solution

The fourth proportional to 13,267.05, 18,308.33 and 7,298.36 is: 10,071.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,267.05 : 18,308.33 = 7,298.36 : x
  2. Step 2: Convert to fraction form
    13,267.05/18,308.33 = 7,298.36/x
  3. Step 3: Cross multiply
    13,267.05x = 18,308.33 × 7,298.36
  4. Step 4: Simplify right side
    13,267.05x = 133,620,655.31
  5. Step 5: Solve for x
    x = 133,620,655.31/13,267.05
  6. Step 6: Final answer
    x = 10,071.62

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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.