Home / 14,506.67-20,017.70-8,537.98

Finding the Fourth Proportional to 14,506.67, 20,017.70 and 8,537.98

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Solution

The fourth proportional to 14,506.67, 20,017.70 and 8,537.98 is: 11,781.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,506.67 : 20,017.70 = 8,537.98 : x
  2. Step 2: Convert to fraction form
    14,506.67/20,017.70 = 8,537.98/x
  3. Step 3: Cross multiply
    14,506.67x = 20,017.70 × 8,537.98
  4. Step 4: Simplify right side
    14,506.67x = 170,910,679.56
  5. Step 5: Solve for x
    x = 170,910,679.56/14,506.67
  6. Step 6: Final answer
    x = 11,781.52

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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.