Home / 18,111.28-24,996.60-10,558.80

Finding the Fourth Proportional to 18,111.28, 24,996.60 and 10,558.80

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Solution

The fourth proportional to 18,111.28, 24,996.60 and 10,558.80 is: 14,572.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,111.28 : 24,996.60 = 10,558.80 : x
  2. Step 2: Convert to fraction form
    18,111.28/24,996.60 = 10,558.80/x
  3. Step 3: Cross multiply
    18,111.28x = 24,996.60 × 10,558.80
  4. Step 4: Simplify right side
    18,111.28x = 263,934,100.08
  5. Step 5: Solve for x
    x = 263,934,100.08/18,111.28
  6. Step 6: Final answer
    x = 14,572.91

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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.