Home / 14,767.80-20,379.60-8,053.44

Finding the Fourth Proportional to 14,767.80, 20,379.60 and 8,053.44

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Solution

The fourth proportional to 14,767.80, 20,379.60 and 8,053.44 is: 11,113.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,767.80 : 20,379.60 = 8,053.44 : x
  2. Step 2: Convert to fraction form
    14,767.80/20,379.60 = 8,053.44/x
  3. Step 3: Cross multiply
    14,767.80x = 20,379.60 × 8,053.44
  4. Step 4: Simplify right side
    14,767.80x = 164,125,885.82
  5. Step 5: Solve for x
    x = 164,125,885.82/14,767.80
  6. Step 6: Final answer
    x = 11,113.77

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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.