Home / 21,962.34-30,310.20-12,532.32

Finding the Fourth Proportional to 21,962.34, 30,310.20 and 12,532.32

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Solution

The fourth proportional to 21,962.34, 30,310.20 and 12,532.32 is: 17,295.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,962.34 : 30,310.20 = 12,532.32 : x
  2. Step 2: Convert to fraction form
    21,962.34/30,310.20 = 12,532.32/x
  3. Step 3: Cross multiply
    21,962.34x = 30,310.20 × 12,532.32
  4. Step 4: Simplify right side
    21,962.34x = 379,857,125.66
  5. Step 5: Solve for x
    x = 379,857,125.66/21,962.34
  6. Step 6: Final answer
    x = 17,295.84

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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.