Home / 16,965.89-25,448.84-5,276.78

Finding the Fourth Proportional to 16,965.89, 25,448.84 and 5,276.78

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Solution

The fourth proportional to 16,965.89, 25,448.84 and 5,276.78 is: 7,915.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,965.89 : 25,448.84 = 5,276.78 : x
  2. Step 2: Convert to fraction form
    16,965.89/25,448.84 = 5,276.78/x
  3. Step 3: Cross multiply
    16,965.89x = 25,448.84 × 5,276.78
  4. Step 4: Simplify right side
    16,965.89x = 134,287,903.55
  5. Step 5: Solve for x
    x = 134,287,903.55/16,965.89
  6. Step 6: Final answer
    x = 7,915.17

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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.