Home / 19,143.89-26,414.71-11,184.57

Finding the Fourth Proportional to 19,143.89, 26,414.71 and 11,184.57

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Solution

The fourth proportional to 19,143.89, 26,414.71 and 11,184.57 is: 15,432.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,143.89 : 26,414.71 = 11,184.57 : x
  2. Step 2: Convert to fraction form
    19,143.89/26,414.71 = 11,184.57/x
  3. Step 3: Cross multiply
    19,143.89x = 26,414.71 × 11,184.57
  4. Step 4: Simplify right side
    19,143.89x = 295,437,117.10
  5. Step 5: Solve for x
    x = 295,437,117.10/19,143.89
  6. Step 6: Final answer
    x = 15,432.45

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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.