Home / 17,115.84-25,535.52-14,621.76

Finding the Fourth Proportional to 17,115.84, 25,535.52 and 14,621.76

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Solution

The fourth proportional to 17,115.84, 25,535.52 and 14,621.76 is: 21,814.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,115.84 : 25,535.52 = 14,621.76 : x
  2. Step 2: Convert to fraction form
    17,115.84/25,535.52 = 14,621.76/x
  3. Step 3: Cross multiply
    17,115.84x = 25,535.52 × 14,621.76
  4. Step 4: Simplify right side
    17,115.84x = 373,374,244.92
  5. Step 5: Solve for x
    x = 373,374,244.92/17,115.84
  6. Step 6: Final answer
    x = 21,814.54

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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.