Home / 16,979.54-23,454.21-14,156.15

Finding the Fourth Proportional to 16,979.54, 23,454.21 and 14,156.15

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Solution

The fourth proportional to 16,979.54, 23,454.21 and 14,156.15 is: 19,554.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,979.54 : 23,454.21 = 14,156.15 : x
  2. Step 2: Convert to fraction form
    16,979.54/23,454.21 = 14,156.15/x
  3. Step 3: Cross multiply
    16,979.54x = 23,454.21 × 14,156.15
  4. Step 4: Simplify right side
    16,979.54x = 332,021,426.61
  5. Step 5: Solve for x
    x = 332,021,426.61/16,979.54
  6. Step 6: Final answer
    x = 19,554.20

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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.