Home / 14,993.12-20,689.44-8,706.08

Finding the Fourth Proportional to 14,993.12, 20,689.44 and 8,706.08

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Solution

The fourth proportional to 14,993.12, 20,689.44 and 8,706.08 is: 12,013.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,993.12 : 20,689.44 = 8,706.08 : x
  2. Step 2: Convert to fraction form
    14,993.12/20,689.44 = 8,706.08/x
  3. Step 3: Cross multiply
    14,993.12x = 20,689.44 × 8,706.08
  4. Step 4: Simplify right side
    14,993.12x = 180,123,919.80
  5. Step 5: Solve for x
    x = 180,123,919.80/14,993.12
  6. Step 6: Final answer
    x = 12,013.77

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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.