Home / 14,506.70-20,018.27-8,537.20

Finding the Fourth Proportional to 14,506.70, 20,018.27 and 8,537.20

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Solution

The fourth proportional to 14,506.70, 20,018.27 and 8,537.20 is: 11,780.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,506.70 : 20,018.27 = 8,537.20 : x
  2. Step 2: Convert to fraction form
    14,506.70/20,018.27 = 8,537.20/x
  3. Step 3: Cross multiply
    14,506.70x = 20,018.27 × 8,537.20
  4. Step 4: Simplify right side
    14,506.70x = 170,899,945.94
  5. Step 5: Solve for x
    x = 170,899,945.94/14,506.70
  6. Step 6: Final answer
    x = 11,780.76

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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.