Home / 15,379.41-23,072.72-6,609.45

Finding the Fourth Proportional to 15,379.41, 23,072.72 and 6,609.45

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Solution

The fourth proportional to 15,379.41, 23,072.72 and 6,609.45 is: 9,915.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,379.41 : 23,072.72 = 6,609.45 : x
  2. Step 2: Convert to fraction form
    15,379.41/23,072.72 = 6,609.45/x
  3. Step 3: Cross multiply
    15,379.41x = 23,072.72 × 6,609.45
  4. Step 4: Simplify right side
    15,379.41x = 152,497,956.16
  5. Step 5: Solve for x
    x = 152,497,956.16/15,379.41
  6. Step 6: Final answer
    x = 9,915.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.