Home / 19,143.65-26,414.37-11,184.34

Finding the Fourth Proportional to 19,143.65, 26,414.37 and 11,184.34

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Solution

The fourth proportional to 19,143.65, 26,414.37 and 11,184.34 is: 15,432.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,143.65 : 26,414.37 = 11,184.34 : x
  2. Step 2: Convert to fraction form
    19,143.65/26,414.37 = 11,184.34/x
  3. Step 3: Cross multiply
    19,143.65x = 26,414.37 × 11,184.34
  4. Step 4: Simplify right side
    19,143.65x = 295,427,348.95
  5. Step 5: Solve for x
    x = 295,427,348.95/19,143.65
  6. Step 6: Final answer
    x = 15,432.13

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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.