Home / 16,872.12-23,288.85-10,903.68

Finding the Fourth Proportional to 16,872.12, 23,288.85 and 10,903.68

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Solution

The fourth proportional to 16,872.12, 23,288.85 and 10,903.68 is: 15,050.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,872.12 : 23,288.85 = 10,903.68 : x
  2. Step 2: Convert to fraction form
    16,872.12/23,288.85 = 10,903.68/x
  3. Step 3: Cross multiply
    16,872.12x = 23,288.85 × 10,903.68
  4. Step 4: Simplify right side
    16,872.12x = 253,934,167.97
  5. Step 5: Solve for x
    x = 253,934,167.97/16,872.12
  6. Step 6: Final answer
    x = 15,050.52

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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.