Home / 22,617.64-31,205.64-13,184.56

Finding the Fourth Proportional to 22,617.64, 31,205.64 and 13,184.56

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Solution

The fourth proportional to 22,617.64, 31,205.64 and 13,184.56 is: 18,190.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,617.64 : 31,205.64 = 13,184.56 : x
  2. Step 2: Convert to fraction form
    22,617.64/31,205.64 = 13,184.56/x
  3. Step 3: Cross multiply
    22,617.64x = 31,205.64 × 13,184.56
  4. Step 4: Simplify right side
    22,617.64x = 411,432,632.92
  5. Step 5: Solve for x
    x = 411,432,632.92/22,617.64
  6. Step 6: Final answer
    x = 18,190.79

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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.