Home / 19,382.80-26,745.03-11,423.95

Finding the Fourth Proportional to 19,382.80, 26,745.03 and 11,423.95

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Solution

The fourth proportional to 19,382.80, 26,745.03 and 11,423.95 is: 15,763.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,382.80 : 26,745.03 = 11,423.95 : x
  2. Step 2: Convert to fraction form
    19,382.80/26,745.03 = 11,423.95/x
  3. Step 3: Cross multiply
    19,382.80x = 26,745.03 × 11,423.95
  4. Step 4: Simplify right side
    19,382.80x = 305,533,885.47
  5. Step 5: Solve for x
    x = 305,533,885.47/19,382.80
  6. Step 6: Final answer
    x = 15,763.14

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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.