Home / 13,164.67-18,155.48-10,922.99

Finding the Fourth Proportional to 13,164.67, 18,155.48 and 10,922.99

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Solution

The fourth proportional to 13,164.67, 18,155.48 and 10,922.99 is: 15,063.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,164.67 : 18,155.48 = 10,922.99 : x
  2. Step 2: Convert to fraction form
    13,164.67/18,155.48 = 10,922.99/x
  3. Step 3: Cross multiply
    13,164.67x = 18,155.48 × 10,922.99
  4. Step 4: Simplify right side
    13,164.67x = 198,312,158.22
  5. Step 5: Solve for x
    x = 198,312,158.22/13,164.67
  6. Step 6: Final answer
    x = 15,063.97

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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.