Home / 14,897.10-20,558.10-8,182.80

Finding the Fourth Proportional to 14,897.10, 20,558.10 and 8,182.80

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Solution

The fourth proportional to 14,897.10, 20,558.10 and 8,182.80 is: 11,292.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,897.10 : 20,558.10 = 8,182.80 : x
  2. Step 2: Convert to fraction form
    14,897.10/20,558.10 = 8,182.80/x
  3. Step 3: Cross multiply
    14,897.10x = 20,558.10 × 8,182.80
  4. Step 4: Simplify right side
    14,897.10x = 168,222,820.68
  5. Step 5: Solve for x
    x = 168,222,820.68/14,897.10
  6. Step 6: Final answer
    x = 11,292.32

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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.