Home / 13,078.08-19,629.45-4,766.13

Finding the Fourth Proportional to 13,078.08, 19,629.45 and 4,766.13

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Solution

The fourth proportional to 13,078.08, 19,629.45 and 4,766.13 is: 7,153.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,078.08 : 19,629.45 = 4,766.13 : x
  2. Step 2: Convert to fraction form
    13,078.08/19,629.45 = 4,766.13/x
  3. Step 3: Cross multiply
    13,078.08x = 19,629.45 × 4,766.13
  4. Step 4: Simplify right side
    13,078.08x = 93,556,510.53
  5. Step 5: Solve for x
    x = 93,556,510.53/13,078.08
  6. Step 6: Final answer
    x = 7,153.69

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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.