Home / 16,811.32-23,200.14-12,612.28

Finding the Fourth Proportional to 16,811.32, 23,200.14 and 12,612.28

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Solution

The fourth proportional to 16,811.32, 23,200.14 and 12,612.28 is: 17,405.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,811.32 : 23,200.14 = 12,612.28 : x
  2. Step 2: Convert to fraction form
    16,811.32/23,200.14 = 12,612.28/x
  3. Step 3: Cross multiply
    16,811.32x = 23,200.14 × 12,612.28
  4. Step 4: Simplify right side
    16,811.32x = 292,606,661.72
  5. Step 5: Solve for x
    x = 292,606,661.72/16,811.32
  6. Step 6: Final answer
    x = 17,405.34

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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.