Home / 22,080.96-30,448.98-15,363.36

Finding the Fourth Proportional to 22,080.96, 30,448.98 and 15,363.36

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Solution

The fourth proportional to 22,080.96, 30,448.98 and 15,363.36 is: 21,185.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,080.96 : 30,448.98 = 15,363.36 : x
  2. Step 2: Convert to fraction form
    22,080.96/30,448.98 = 15,363.36/x
  3. Step 3: Cross multiply
    22,080.96x = 30,448.98 × 15,363.36
  4. Step 4: Simplify right side
    22,080.96x = 467,798,641.37
  5. Step 5: Solve for x
    x = 467,798,641.37/22,080.96
  6. Step 6: Final answer
    x = 21,185.61

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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.