Home / 16,947.84-25,318.32-13,488.96

Finding the Fourth Proportional to 16,947.84, 25,318.32 and 13,488.96

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Solution

The fourth proportional to 16,947.84, 25,318.32 and 13,488.96 is: 20,151.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,947.84 : 25,318.32 = 13,488.96 : x
  2. Step 2: Convert to fraction form
    16,947.84/25,318.32 = 13,488.96/x
  3. Step 3: Cross multiply
    16,947.84x = 25,318.32 × 13,488.96
  4. Step 4: Simplify right side
    16,947.84x = 341,517,805.75
  5. Step 5: Solve for x
    x = 341,517,805.75/16,947.84
  6. Step 6: Final answer
    x = 20,151.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.