Home / 13,269.04-18,310.84-7,300.66

Finding the Fourth Proportional to 13,269.04, 18,310.84 and 7,300.66

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Solution

The fourth proportional to 13,269.04, 18,310.84 and 7,300.66 is: 10,074.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,269.04 : 18,310.84 = 7,300.66 : x
  2. Step 2: Convert to fraction form
    13,269.04/18,310.84 = 7,300.66/x
  3. Step 3: Cross multiply
    13,269.04x = 18,310.84 × 7,300.66
  4. Step 4: Simplify right side
    13,269.04x = 133,681,217.15
  5. Step 5: Solve for x
    x = 133,681,217.15/13,269.04
  6. Step 6: Final answer
    x = 10,074.67

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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.