Home / 19,550.97-29,320.28-6,400.32

Finding the Fourth Proportional to 19,550.97, 29,320.28 and 6,400.32

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Solution

The fourth proportional to 19,550.97, 29,320.28 and 6,400.32 is: 9,598.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,550.97 : 29,320.28 = 6,400.32 : x
  2. Step 2: Convert to fraction form
    19,550.97/29,320.28 = 6,400.32/x
  3. Step 3: Cross multiply
    19,550.97x = 29,320.28 × 6,400.32
  4. Step 4: Simplify right side
    19,550.97x = 187,659,056.54
  5. Step 5: Solve for x
    x = 187,659,056.54/19,550.97
  6. Step 6: Final answer
    x = 9,598.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.