Home / 14,979.69-20,671.68-8,265.96

Finding the Fourth Proportional to 14,979.69, 20,671.68 and 8,265.96

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Solution

The fourth proportional to 14,979.69, 20,671.68 and 8,265.96 is: 11,406.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,979.69 : 20,671.68 = 8,265.96 : x
  2. Step 2: Convert to fraction form
    14,979.69/20,671.68 = 8,265.96/x
  3. Step 3: Cross multiply
    14,979.69x = 20,671.68 × 8,265.96
  4. Step 4: Simplify right side
    14,979.69x = 170,871,280.01
  5. Step 5: Solve for x
    x = 170,871,280.01/14,979.69
  6. Step 6: Final answer
    x = 11,406.86

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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.