Home / 22,411.08-30,927.60-12,850.92

Finding the Fourth Proportional to 22,411.08, 30,927.60 and 12,850.92

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Solution

The fourth proportional to 22,411.08, 30,927.60 and 12,850.92 is: 17,734.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,411.08 : 30,927.60 = 12,850.92 : x
  2. Step 2: Convert to fraction form
    22,411.08/30,927.60 = 12,850.92/x
  3. Step 3: Cross multiply
    22,411.08x = 30,927.60 × 12,850.92
  4. Step 4: Simplify right side
    22,411.08x = 397,448,113.39
  5. Step 5: Solve for x
    x = 397,448,113.39/22,411.08
  6. Step 6: Final answer
    x = 17,734.45

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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.