Home / 16,902.64-25,317.84-13,725.76

Finding the Fourth Proportional to 16,902.64, 25,317.84 and 13,725.76

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Solution

The fourth proportional to 16,902.64, 25,317.84 and 13,725.76 is: 20,559.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,902.64 : 25,317.84 = 13,725.76 : x
  2. Step 2: Convert to fraction form
    16,902.64/25,317.84 = 13,725.76/x
  3. Step 3: Cross multiply
    16,902.64x = 25,317.84 × 13,725.76
  4. Step 4: Simplify right side
    16,902.64x = 347,506,595.56
  5. Step 5: Solve for x
    x = 347,506,595.56/16,902.64
  6. Step 6: Final answer
    x = 20,559.31

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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.