Home / 15,465.50-23,198.16-3,778.62

Finding the Fourth Proportional to 15,465.50, 23,198.16 and 3,778.62

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Solution

The fourth proportional to 15,465.50, 23,198.16 and 3,778.62 is: 5,667.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,465.50 : 23,198.16 = 3,778.62 : x
  2. Step 2: Convert to fraction form
    15,465.50/23,198.16 = 3,778.62/x
  3. Step 3: Cross multiply
    15,465.50x = 23,198.16 × 3,778.62
  4. Step 4: Simplify right side
    15,465.50x = 87,657,031.34
  5. Step 5: Solve for x
    x = 87,657,031.34/15,465.50
  6. Step 6: Final answer
    x = 5,667.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.