Home / 14,447.36-19,934.30-8,785.06

Finding the Fourth Proportional to 14,447.36, 19,934.30 and 8,785.06

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Solution

The fourth proportional to 14,447.36, 19,934.30 and 8,785.06 is: 12,121.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,447.36 : 19,934.30 = 8,785.06 : x
  2. Step 2: Convert to fraction form
    14,447.36/19,934.30 = 8,785.06/x
  3. Step 3: Cross multiply
    14,447.36x = 19,934.30 × 8,785.06
  4. Step 4: Simplify right side
    14,447.36x = 175,123,993.68
  5. Step 5: Solve for x
    x = 175,123,993.68/14,447.36
  6. Step 6: Final answer
    x = 12,121.52

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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.