Home / 14,145.76-19,515.45-8,176.33

Finding the Fourth Proportional to 14,145.76, 19,515.45 and 8,176.33

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Solution

The fourth proportional to 14,145.76, 19,515.45 and 8,176.33 is: 11,280.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,145.76 : 19,515.45 = 8,176.33 : x
  2. Step 2: Convert to fraction form
    14,145.76/19,515.45 = 8,176.33/x
  3. Step 3: Cross multiply
    14,145.76x = 19,515.45 × 8,176.33
  4. Step 4: Simplify right side
    14,145.76x = 159,564,759.30
  5. Step 5: Solve for x
    x = 159,564,759.30/14,145.76
  6. Step 6: Final answer
    x = 11,280.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.