Home / 23,154.78-34,700.96-16,885.44

Finding the Fourth Proportional to 23,154.78, 34,700.96 and 16,885.44

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Solution

The fourth proportional to 23,154.78, 34,700.96 and 16,885.44 is: 25,305.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,154.78 : 34,700.96 = 16,885.44 : x
  2. Step 2: Convert to fraction form
    23,154.78/34,700.96 = 16,885.44/x
  3. Step 3: Cross multiply
    23,154.78x = 34,700.96 × 16,885.44
  4. Step 4: Simplify right side
    23,154.78x = 585,940,978.02
  5. Step 5: Solve for x
    x = 585,940,978.02/23,154.78
  6. Step 6: Final answer
    x = 25,305.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.