Home / 18,487.44-25,516.55-10,835.71

Finding the Fourth Proportional to 18,487.44, 25,516.55 and 10,835.71

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Solution

The fourth proportional to 18,487.44, 25,516.55 and 10,835.71 is: 14,955.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,487.44 : 25,516.55 = 10,835.71 : x
  2. Step 2: Convert to fraction form
    18,487.44/25,516.55 = 10,835.71/x
  3. Step 3: Cross multiply
    18,487.44x = 25,516.55 × 10,835.71
  4. Step 4: Simplify right side
    18,487.44x = 276,489,899.30
  5. Step 5: Solve for x
    x = 276,489,899.30/18,487.44
  6. Step 6: Final answer
    x = 14,955.55

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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.