Home / 16,780.00-25,154.28-5,678.92

Finding the Fourth Proportional to 16,780.00, 25,154.28 and 5,678.92

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Solution

The fourth proportional to 16,780.00, 25,154.28 and 5,678.92 is: 8,513.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,780.00 : 25,154.28 = 5,678.92 : x
  2. Step 2: Convert to fraction form
    16,780.00/25,154.28 = 5,678.92/x
  3. Step 3: Cross multiply
    16,780.00x = 25,154.28 × 5,678.92
  4. Step 4: Simplify right side
    16,780.00x = 142,849,091.54
  5. Step 5: Solve for x
    x = 142,849,091.54/16,780.00
  6. Step 6: Final answer
    x = 8,513.06

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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.