Home / 18,956.34-26,159.84-10,458.56

Finding the Fourth Proportional to 18,956.34, 26,159.84 and 10,458.56

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Solution

The fourth proportional to 18,956.34, 26,159.84 and 10,458.56 is: 14,432.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,956.34 : 26,159.84 = 10,458.56 : x
  2. Step 2: Convert to fraction form
    18,956.34/26,159.84 = 10,458.56/x
  3. Step 3: Cross multiply
    18,956.34x = 26,159.84 × 10,458.56
  4. Step 4: Simplify right side
    18,956.34x = 273,594,308.56
  5. Step 5: Solve for x
    x = 273,594,308.56/18,956.34
  6. Step 6: Final answer
    x = 14,432.87

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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.