Home / 18,161.10-27,225.25-6,471.59

Finding the Fourth Proportional to 18,161.10, 27,225.25 and 6,471.59

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Solution

The fourth proportional to 18,161.10, 27,225.25 and 6,471.59 is: 9,701.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,161.10 : 27,225.25 = 6,471.59 : x
  2. Step 2: Convert to fraction form
    18,161.10/27,225.25 = 6,471.59/x
  3. Step 3: Cross multiply
    18,161.10x = 27,225.25 × 6,471.59
  4. Step 4: Simplify right side
    18,161.10x = 176,190,503.34
  5. Step 5: Solve for x
    x = 176,190,503.34/18,161.10
  6. Step 6: Final answer
    x = 9,701.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.