Home / 16,222.36-22,386.60-9,151.04

Finding the Fourth Proportional to 16,222.36, 22,386.60 and 9,151.04

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Solution

The fourth proportional to 16,222.36, 22,386.60 and 9,151.04 is: 12,628.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,222.36 : 22,386.60 = 9,151.04 : x
  2. Step 2: Convert to fraction form
    16,222.36/22,386.60 = 9,151.04/x
  3. Step 3: Cross multiply
    16,222.36x = 22,386.60 × 9,151.04
  4. Step 4: Simplify right side
    16,222.36x = 204,860,672.06
  5. Step 5: Solve for x
    x = 204,860,672.06/16,222.36
  6. Step 6: Final answer
    x = 12,628.29

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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.