Home / 22,705.95-31,334.65-12,634.82

Finding the Fourth Proportional to 22,705.95, 31,334.65 and 12,634.82

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Solution

The fourth proportional to 22,705.95, 31,334.65 and 12,634.82 is: 17,436.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,705.95 : 31,334.65 = 12,634.82 : x
  2. Step 2: Convert to fraction form
    22,705.95/31,334.65 = 12,634.82/x
  3. Step 3: Cross multiply
    22,705.95x = 31,334.65 × 12,634.82
  4. Step 4: Simplify right side
    22,705.95x = 395,907,591.76
  5. Step 5: Solve for x
    x = 395,907,591.76/22,705.95
  6. Step 6: Final answer
    x = 17,436.29

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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.