Home / 23,635.12-32,616.53-12,880.08

Finding the Fourth Proportional to 23,635.12, 32,616.53 and 12,880.08

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Solution

The fourth proportional to 23,635.12, 32,616.53 and 12,880.08 is: 17,774.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,635.12 : 32,616.53 = 12,880.08 : x
  2. Step 2: Convert to fraction form
    23,635.12/32,616.53 = 12,880.08/x
  3. Step 3: Cross multiply
    23,635.12x = 32,616.53 × 12,880.08
  4. Step 4: Simplify right side
    23,635.12x = 420,103,515.72
  5. Step 5: Solve for x
    x = 420,103,515.72/23,635.12
  6. Step 6: Final answer
    x = 17,774.55

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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.