Home / 14,125.76-19,493.56-7,838.13

Finding the Fourth Proportional to 14,125.76, 19,493.56 and 7,838.13

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Solution

The fourth proportional to 14,125.76, 19,493.56 and 7,838.13 is: 10,816.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,125.76 : 19,493.56 = 7,838.13 : x
  2. Step 2: Convert to fraction form
    14,125.76/19,493.56 = 7,838.13/x
  3. Step 3: Cross multiply
    14,125.76x = 19,493.56 × 7,838.13
  4. Step 4: Simplify right side
    14,125.76x = 152,793,057.44
  5. Step 5: Solve for x
    x = 152,793,057.44/14,125.76
  6. Step 6: Final answer
    x = 10,816.63

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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.