Home / 16,692.81-23,034.05-13,298.48

Finding the Fourth Proportional to 16,692.81, 23,034.05 and 13,298.48

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Solution

The fourth proportional to 16,692.81, 23,034.05 and 13,298.48 is: 18,350.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,692.81 : 23,034.05 = 13,298.48 : x
  2. Step 2: Convert to fraction form
    16,692.81/23,034.05 = 13,298.48/x
  3. Step 3: Cross multiply
    16,692.81x = 23,034.05 × 13,298.48
  4. Step 4: Simplify right side
    16,692.81x = 306,317,671.58
  5. Step 5: Solve for x
    x = 306,317,671.58/16,692.81
  6. Step 6: Final answer
    x = 18,350.28

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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.