Home / 14,160.37-19,532.40-8,491.29

Finding the Fourth Proportional to 14,160.37, 19,532.40 and 8,491.29

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Solution

The fourth proportional to 14,160.37, 19,532.40 and 8,491.29 is: 11,712.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,160.37 : 19,532.40 = 8,491.29 : x
  2. Step 2: Convert to fraction form
    14,160.37/19,532.40 = 8,491.29/x
  3. Step 3: Cross multiply
    14,160.37x = 19,532.40 × 8,491.29
  4. Step 4: Simplify right side
    14,160.37x = 165,855,272.80
  5. Step 5: Solve for x
    x = 165,855,272.80/14,160.37
  6. Step 6: Final answer
    x = 11,712.64

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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.