Home / 22,617.63-31,210.92-13,659.84

Finding the Fourth Proportional to 22,617.63, 31,210.92 and 13,659.84

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Solution

The fourth proportional to 22,617.63, 31,210.92 and 13,659.84 is: 18,849.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,617.63 : 31,210.92 = 13,659.84 : x
  2. Step 2: Convert to fraction form
    22,617.63/31,210.92 = 13,659.84/x
  3. Step 3: Cross multiply
    22,617.63x = 31,210.92 × 13,659.84
  4. Step 4: Simplify right side
    22,617.63x = 426,336,173.45
  5. Step 5: Solve for x
    x = 426,336,173.45/22,617.63
  6. Step 6: Final answer
    x = 18,849.73

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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.