Home / 22,474.30-31,025.64-13,528.66

Finding the Fourth Proportional to 22,474.30, 31,025.64 and 13,528.66

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Solution

The fourth proportional to 22,474.30, 31,025.64 and 13,528.66 is: 18,676.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,474.30 : 31,025.64 = 13,528.66 : x
  2. Step 2: Convert to fraction form
    22,474.30/31,025.64 = 13,528.66/x
  3. Step 3: Cross multiply
    22,474.30x = 31,025.64 × 13,528.66
  4. Step 4: Simplify right side
    22,474.30x = 419,735,334.84
  5. Step 5: Solve for x
    x = 419,735,334.84/22,474.30
  6. Step 6: Final answer
    x = 18,676.24

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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.