Home / 16,819.12-23,158.20-14,425.84

Finding the Fourth Proportional to 16,819.12, 23,158.20 and 14,425.84

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Solution

The fourth proportional to 16,819.12, 23,158.20 and 14,425.84 is: 19,862.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,819.12 : 23,158.20 = 14,425.84 : x
  2. Step 2: Convert to fraction form
    16,819.12/23,158.20 = 14,425.84/x
  3. Step 3: Cross multiply
    16,819.12x = 23,158.20 × 14,425.84
  4. Step 4: Simplify right side
    16,819.12x = 334,076,487.89
  5. Step 5: Solve for x
    x = 334,076,487.89/16,819.12
  6. Step 6: Final answer
    x = 19,862.90

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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.