Home / 19,353.53-28,954.69-16,994.81

Finding the Fourth Proportional to 19,353.53, 28,954.69 and 16,994.81

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Solution

The fourth proportional to 19,353.53, 28,954.69 and 16,994.81 is: 25,425.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,353.53 : 28,954.69 = 16,994.81 : x
  2. Step 2: Convert to fraction form
    19,353.53/28,954.69 = 16,994.81/x
  3. Step 3: Cross multiply
    19,353.53x = 28,954.69 × 16,994.81
  4. Step 4: Simplify right side
    19,353.53x = 492,079,455.16
  5. Step 5: Solve for x
    x = 492,079,455.16/19,353.53
  6. Step 6: Final answer
    x = 25,425.82

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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.