Home / 15,894.08-21,960.20-12,562.44

Finding the Fourth Proportional to 15,894.08, 21,960.20 and 12,562.44

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Solution

The fourth proportional to 15,894.08, 21,960.20 and 12,562.44 is: 17,357.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,894.08 : 21,960.20 = 12,562.44 : x
  2. Step 2: Convert to fraction form
    15,894.08/21,960.20 = 12,562.44/x
  3. Step 3: Cross multiply
    15,894.08x = 21,960.20 × 12,562.44
  4. Step 4: Simplify right side
    15,894.08x = 275,873,694.89
  5. Step 5: Solve for x
    x = 275,873,694.89/15,894.08
  6. Step 6: Final answer
    x = 17,357.01

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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.