Home / 13,740.98-20,623.62-7,506.68

Finding the Fourth Proportional to 13,740.98, 20,623.62 and 7,506.68

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Solution

The fourth proportional to 13,740.98, 20,623.62 and 7,506.68 is: 11,266.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,740.98 : 20,623.62 = 7,506.68 : x
  2. Step 2: Convert to fraction form
    13,740.98/20,623.62 = 7,506.68/x
  3. Step 3: Cross multiply
    13,740.98x = 20,623.62 × 7,506.68
  4. Step 4: Simplify right side
    13,740.98x = 154,814,915.78
  5. Step 5: Solve for x
    x = 154,814,915.78/13,740.98
  6. Step 6: Final answer
    x = 11,266.66

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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.