Home / 22,409.88-30,925.36-12,338.32

Finding the Fourth Proportional to 22,409.88, 30,925.36 and 12,338.32

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Solution

The fourth proportional to 22,409.88, 30,925.36 and 12,338.32 is: 17,026.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,409.88 : 30,925.36 = 12,338.32 : x
  2. Step 2: Convert to fraction form
    22,409.88/30,925.36 = 12,338.32/x
  3. Step 3: Cross multiply
    22,409.88x = 30,925.36 × 12,338.32
  4. Step 4: Simplify right side
    22,409.88x = 381,566,987.80
  5. Step 5: Solve for x
    x = 381,566,987.80/22,409.88
  6. Step 6: Final answer
    x = 17,026.73

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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.