Home / 14,976.10-20,694.35-12,822.24

Finding the Fourth Proportional to 14,976.10, 20,694.35 and 12,822.24

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Solution

The fourth proportional to 14,976.10, 20,694.35 and 12,822.24 is: 17,718.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,976.10 : 20,694.35 = 12,822.24 : x
  2. Step 2: Convert to fraction form
    14,976.10/20,694.35 = 12,822.24/x
  3. Step 3: Cross multiply
    14,976.10x = 20,694.35 × 12,822.24
  4. Step 4: Simplify right side
    14,976.10x = 265,347,922.34
  5. Step 5: Solve for x
    x = 265,347,922.34/14,976.10
  6. Step 6: Final answer
    x = 17,718.09

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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.