Home / 16,819.28-25,232.88-9,428.84

Finding the Fourth Proportional to 16,819.28, 25,232.88 and 9,428.84

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Solution

The fourth proportional to 16,819.28, 25,232.88 and 9,428.84 is: 14,145.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,819.28 : 25,232.88 = 9,428.84 : x
  2. Step 2: Convert to fraction form
    16,819.28/25,232.88 = 9,428.84/x
  3. Step 3: Cross multiply
    16,819.28x = 25,232.88 × 9,428.84
  4. Step 4: Simplify right side
    16,819.28x = 237,916,792.08
  5. Step 5: Solve for x
    x = 237,916,792.08/16,819.28
  6. Step 6: Final answer
    x = 14,145.48

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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.