Home / 23,450.64-32,361.98-12,840.18

Finding the Fourth Proportional to 23,450.64, 32,361.98 and 12,840.18

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Solution

The fourth proportional to 23,450.64, 32,361.98 and 12,840.18 is: 17,719.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,450.64 : 32,361.98 = 12,840.18 : x
  2. Step 2: Convert to fraction form
    23,450.64/32,361.98 = 12,840.18/x
  3. Step 3: Cross multiply
    23,450.64x = 32,361.98 × 12,840.18
  4. Step 4: Simplify right side
    23,450.64x = 415,533,584.16
  5. Step 5: Solve for x
    x = 415,533,584.16/23,450.64
  6. Step 6: Final answer
    x = 17,719.50

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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.