Home / 16,202.22-22,368.75-11,721.30

Finding the Fourth Proportional to 16,202.22, 22,368.75 and 11,721.30

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Solution

The fourth proportional to 16,202.22, 22,368.75 and 11,721.30 is: 16,182.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,202.22 : 22,368.75 = 11,721.30 : x
  2. Step 2: Convert to fraction form
    16,202.22/22,368.75 = 11,721.30/x
  3. Step 3: Cross multiply
    16,202.22x = 22,368.75 × 11,721.30
  4. Step 4: Simplify right side
    16,202.22x = 262,190,829.38
  5. Step 5: Solve for x
    x = 262,190,829.38/16,202.22
  6. Step 6: Final answer
    x = 16,182.40

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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.