Home / 13,283.45-19,925.19-4,519.07

Finding the Fourth Proportional to 13,283.45, 19,925.19 and 4,519.07

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Solution

The fourth proportional to 13,283.45, 19,925.19 and 4,519.07 is: 6,778.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,283.45 : 19,925.19 = 4,519.07 : x
  2. Step 2: Convert to fraction form
    13,283.45/19,925.19 = 4,519.07/x
  3. Step 3: Cross multiply
    13,283.45x = 19,925.19 × 4,519.07
  4. Step 4: Simplify right side
    13,283.45x = 90,043,228.75
  5. Step 5: Solve for x
    x = 90,043,228.75/13,283.45
  6. Step 6: Final answer
    x = 6,778.61

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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.