Home / 14,125.57-19,493.85-7,752.39

Finding the Fourth Proportional to 14,125.57, 19,493.85 and 7,752.39

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Solution

The fourth proportional to 14,125.57, 19,493.85 and 7,752.39 is: 10,698.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,125.57 : 19,493.85 = 7,752.39 : x
  2. Step 2: Convert to fraction form
    14,125.57/19,493.85 = 7,752.39/x
  3. Step 3: Cross multiply
    14,125.57x = 19,493.85 × 7,752.39
  4. Step 4: Simplify right side
    14,125.57x = 151,123,927.80
  5. Step 5: Solve for x
    x = 151,123,927.80/14,125.57
  6. Step 6: Final answer
    x = 10,698.61

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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.