Home / 16,892.10-25,345.35-10,656.90

Finding the Fourth Proportional to 16,892.10, 25,345.35 and 10,656.90

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Solution

The fourth proportional to 16,892.10, 25,345.35 and 10,656.90 is: 15,989.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,892.10 : 25,345.35 = 10,656.90 : x
  2. Step 2: Convert to fraction form
    16,892.10/25,345.35 = 10,656.90/x
  3. Step 3: Cross multiply
    16,892.10x = 25,345.35 × 10,656.90
  4. Step 4: Simplify right side
    16,892.10x = 270,102,860.42
  5. Step 5: Solve for x
    x = 270,102,860.42/16,892.10
  6. Step 6: Final answer
    x = 15,989.89

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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.