Home / 16,692.56-23,036.09-9,139.22

Finding the Fourth Proportional to 16,692.56, 23,036.09 and 9,139.22

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Solution

The fourth proportional to 16,692.56, 23,036.09 and 9,139.22 is: 12,612.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,692.56 : 23,036.09 = 9,139.22 : x
  2. Step 2: Convert to fraction form
    16,692.56/23,036.09 = 9,139.22/x
  3. Step 3: Cross multiply
    16,692.56x = 23,036.09 × 9,139.22
  4. Step 4: Simplify right side
    16,692.56x = 210,531,733.57
  5. Step 5: Solve for x
    x = 210,531,733.57/16,692.56
  6. Step 6: Final answer
    x = 12,612.31

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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.