Home / 23,276.94-32,121.74-12,928.32

Finding the Fourth Proportional to 23,276.94, 32,121.74 and 12,928.32

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Solution

The fourth proportional to 23,276.94, 32,121.74 and 12,928.32 is: 17,840.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,276.94 : 32,121.74 = 12,928.32 : x
  2. Step 2: Convert to fraction form
    23,276.94/32,121.74 = 12,928.32/x
  3. Step 3: Cross multiply
    23,276.94x = 32,121.74 × 12,928.32
  4. Step 4: Simplify right side
    23,276.94x = 415,280,069.04
  5. Step 5: Solve for x
    x = 415,280,069.04/23,276.94
  6. Step 6: Final answer
    x = 17,840.84

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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.