Home / 15,996.12-22,073.24-8,922.40

Finding the Fourth Proportional to 15,996.12, 22,073.24 and 8,922.40

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Solution

The fourth proportional to 15,996.12, 22,073.24 and 8,922.40 is: 12,312.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,996.12 : 22,073.24 = 8,922.40 : x
  2. Step 2: Convert to fraction form
    15,996.12/22,073.24 = 8,922.40/x
  3. Step 3: Cross multiply
    15,996.12x = 22,073.24 × 8,922.40
  4. Step 4: Simplify right side
    15,996.12x = 196,946,276.58
  5. Step 5: Solve for x
    x = 196,946,276.58/15,996.12
  6. Step 6: Final answer
    x = 12,312.13

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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.