Home / 18,956.07-26,159.12-10,458.55

Finding the Fourth Proportional to 18,956.07, 26,159.12 and 10,458.55

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Solution

The fourth proportional to 18,956.07, 26,159.12 and 10,458.55 is: 14,432.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,956.07 : 26,159.12 = 10,458.55 : x
  2. Step 2: Convert to fraction form
    18,956.07/26,159.12 = 10,458.55/x
  3. Step 3: Cross multiply
    18,956.07x = 26,159.12 × 10,458.55
  4. Step 4: Simplify right side
    18,956.07x = 273,586,333.68
  5. Step 5: Solve for x
    x = 273,586,333.68/18,956.07
  6. Step 6: Final answer
    x = 14,432.65

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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.