Home / 14,911.13-20,576.91-8,537.51

Finding the Fourth Proportional to 14,911.13, 20,576.91 and 8,537.51

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Solution

The fourth proportional to 14,911.13, 20,576.91 and 8,537.51 is: 11,781.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,911.13 : 20,576.91 = 8,537.51 : x
  2. Step 2: Convert to fraction form
    14,911.13/20,576.91 = 8,537.51/x
  3. Step 3: Cross multiply
    14,911.13x = 20,576.91 × 8,537.51
  4. Step 4: Simplify right side
    14,911.13x = 175,675,472.01
  5. Step 5: Solve for x
    x = 175,675,472.01/14,911.13
  6. Step 6: Final answer
    x = 11,781.50

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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.