Home / 14,350.36-19,803.35-7,976.78

Finding the Fourth Proportional to 14,350.36, 19,803.35 and 7,976.78

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Solution

The fourth proportional to 14,350.36, 19,803.35 and 7,976.78 is: 11,007.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,350.36 : 19,803.35 = 7,976.78 : x
  2. Step 2: Convert to fraction form
    14,350.36/19,803.35 = 7,976.78/x
  3. Step 3: Cross multiply
    14,350.36x = 19,803.35 × 7,976.78
  4. Step 4: Simplify right side
    14,350.36x = 157,966,966.21
  5. Step 5: Solve for x
    x = 157,966,966.21/14,350.36
  6. Step 6: Final answer
    x = 11,007.88

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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.