Home / 19,143.11-26,416.17-10,644.56

Finding the Fourth Proportional to 19,143.11, 26,416.17 and 10,644.56

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Solution

The fourth proportional to 19,143.11, 26,416.17 and 10,644.56 is: 14,688.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,143.11 : 26,416.17 = 10,644.56 : x
  2. Step 2: Convert to fraction form
    19,143.11/26,416.17 = 10,644.56/x
  3. Step 3: Cross multiply
    19,143.11x = 26,416.17 × 10,644.56
  4. Step 4: Simplify right side
    19,143.11x = 281,188,506.54
  5. Step 5: Solve for x
    x = 281,188,506.54/19,143.11
  6. Step 6: Final answer
    x = 14,688.76

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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.