Home / 16,810.32-23,198.76-12,611.28

Finding the Fourth Proportional to 16,810.32, 23,198.76 and 12,611.28

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Solution

The fourth proportional to 16,810.32, 23,198.76 and 12,611.28 is: 17,403.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,810.32 : 23,198.76 = 12,611.28 : x
  2. Step 2: Convert to fraction form
    16,810.32/23,198.76 = 12,611.28/x
  3. Step 3: Cross multiply
    16,810.32x = 23,198.76 × 12,611.28
  4. Step 4: Simplify right side
    16,810.32x = 292,566,058.01
  5. Step 5: Solve for x
    x = 292,566,058.01/16,810.32
  6. Step 6: Final answer
    x = 17,403.96

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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.