Home / 22,339.45-30,783.94-15,948.01

Finding the Fourth Proportional to 22,339.45, 30,783.94 and 15,948.01

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Solution

The fourth proportional to 22,339.45, 30,783.94 and 15,948.01 is: 21,976.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,339.45 : 30,783.94 = 15,948.01 : x
  2. Step 2: Convert to fraction form
    22,339.45/30,783.94 = 15,948.01/x
  3. Step 3: Cross multiply
    22,339.45x = 30,783.94 × 15,948.01
  4. Step 4: Simplify right side
    22,339.45x = 490,942,582.96
  5. Step 5: Solve for x
    x = 490,942,582.96/22,339.45
  6. Step 6: Final answer
    x = 21,976.48

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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.