Home / 22,181.77-30,603.49-14,631.85

Finding the Fourth Proportional to 22,181.77, 30,603.49 and 14,631.85

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Solution

The fourth proportional to 22,181.77, 30,603.49 and 14,631.85 is: 20,187.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,181.77 : 30,603.49 = 14,631.85 : x
  2. Step 2: Convert to fraction form
    22,181.77/30,603.49 = 14,631.85/x
  3. Step 3: Cross multiply
    22,181.77x = 30,603.49 × 14,631.85
  4. Step 4: Simplify right side
    22,181.77x = 447,785,675.16
  5. Step 5: Solve for x
    x = 447,785,675.16/22,181.77
  6. Step 6: Final answer
    x = 20,187.10

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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.