Home / 13,145.23-19,706.08-4,823.29

Finding the Fourth Proportional to 13,145.23, 19,706.08 and 4,823.29

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Solution

The fourth proportional to 13,145.23, 19,706.08 and 4,823.29 is: 7,230.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,145.23 : 19,706.08 = 4,823.29 : x
  2. Step 2: Convert to fraction form
    13,145.23/19,706.08 = 4,823.29/x
  3. Step 3: Cross multiply
    13,145.23x = 19,706.08 × 4,823.29
  4. Step 4: Simplify right side
    13,145.23x = 95,048,138.60
  5. Step 5: Solve for x
    x = 95,048,138.60/13,145.23
  6. Step 6: Final answer
    x = 7,230.62

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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.