Home / 15,956.08-22,024.40-12,969.60

Finding the Fourth Proportional to 15,956.08, 22,024.40 and 12,969.60

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Solution

The fourth proportional to 15,956.08, 22,024.40 and 12,969.60 is: 17,902.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,956.08 : 22,024.40 = 12,969.60 : x
  2. Step 2: Convert to fraction form
    15,956.08/22,024.40 = 12,969.60/x
  3. Step 3: Cross multiply
    15,956.08x = 22,024.40 × 12,969.60
  4. Step 4: Simplify right side
    15,956.08x = 285,647,658.24
  5. Step 5: Solve for x
    x = 285,647,658.24/15,956.08
  6. Step 6: Final answer
    x = 17,902.12

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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.