Home / 18,576.08-25,620.52-11,506.40

Finding the Fourth Proportional to 18,576.08, 25,620.52 and 11,506.40

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Solution

The fourth proportional to 18,576.08, 25,620.52 and 11,506.40 is: 15,869.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,576.08 : 25,620.52 = 11,506.40 : x
  2. Step 2: Convert to fraction form
    18,576.08/25,620.52 = 11,506.40/x
  3. Step 3: Cross multiply
    18,576.08x = 25,620.52 × 11,506.40
  4. Step 4: Simplify right side
    18,576.08x = 294,799,951.33
  5. Step 5: Solve for x
    x = 294,799,951.33/18,576.08
  6. Step 6: Final answer
    x = 15,869.87

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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.