Home / 16,431.54-22,686.12-14,660.07

Finding the Fourth Proportional to 16,431.54, 22,686.12 and 14,660.07

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Solution

The fourth proportional to 16,431.54, 22,686.12 and 14,660.07 is: 20,240.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,431.54 : 22,686.12 = 14,660.07 : x
  2. Step 2: Convert to fraction form
    16,431.54/22,686.12 = 14,660.07/x
  3. Step 3: Cross multiply
    16,431.54x = 22,686.12 × 14,660.07
  4. Step 4: Simplify right side
    16,431.54x = 332,580,107.23
  5. Step 5: Solve for x
    x = 332,580,107.23/16,431.54
  6. Step 6: Final answer
    x = 20,240.35

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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.