Home / 23,474.88-32,376.48-20,636.21

Finding the Fourth Proportional to 23,474.88, 32,376.48 and 20,636.21

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Solution

The fourth proportional to 23,474.88, 32,376.48 and 20,636.21 is: 28,461.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,474.88 : 32,376.48 = 20,636.21 : x
  2. Step 2: Convert to fraction form
    23,474.88/32,376.48 = 20,636.21/x
  3. Step 3: Cross multiply
    23,474.88x = 32,376.48 × 20,636.21
  4. Step 4: Simplify right side
    23,474.88x = 668,127,843.90
  5. Step 5: Solve for x
    x = 668,127,843.90/23,474.88
  6. Step 6: Final answer
    x = 28,461.40

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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.