Home / 22,432.80-30,957.12-12,361.32

Finding the Fourth Proportional to 22,432.80, 30,957.12 and 12,361.32

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Solution

The fourth proportional to 22,432.80, 30,957.12 and 12,361.32 is: 17,058.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,432.80 : 30,957.12 = 12,361.32 : x
  2. Step 2: Convert to fraction form
    22,432.80/30,957.12 = 12,361.32/x
  3. Step 3: Cross multiply
    22,432.80x = 30,957.12 × 12,361.32
  4. Step 4: Simplify right side
    22,432.80x = 382,670,866.60
  5. Step 5: Solve for x
    x = 382,670,866.60/22,432.80
  6. Step 6: Final answer
    x = 17,058.54

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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.