Home / 16,869.28-23,285.82-10,155.22

Finding the Fourth Proportional to 16,869.28, 23,285.82 and 10,155.22

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Solution

The fourth proportional to 16,869.28, 23,285.82 and 10,155.22 is: 14,017.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,869.28 : 23,285.82 = 10,155.22 : x
  2. Step 2: Convert to fraction form
    16,869.28/23,285.82 = 10,155.22/x
  3. Step 3: Cross multiply
    16,869.28x = 23,285.82 × 10,155.22
  4. Step 4: Simplify right side
    16,869.28x = 236,472,624.98
  5. Step 5: Solve for x
    x = 236,472,624.98/16,869.28
  6. Step 6: Final answer
    x = 14,017.94

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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.