Home / 14,897.51-20,558.70-8,183.28

Finding the Fourth Proportional to 14,897.51, 20,558.70 and 8,183.28

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Solution

The fourth proportional to 14,897.51, 20,558.70 and 8,183.28 is: 11,292.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,897.51 : 20,558.70 = 8,183.28 : x
  2. Step 2: Convert to fraction form
    14,897.51/20,558.70 = 8,183.28/x
  3. Step 3: Cross multiply
    14,897.51x = 20,558.70 × 8,183.28
  4. Step 4: Simplify right side
    14,897.51x = 168,237,521.44
  5. Step 5: Solve for x
    x = 168,237,521.44/14,897.51
  6. Step 6: Final answer
    x = 11,292.99

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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.