Home / 14,998.24-20,692.56-9,699.76

Finding the Fourth Proportional to 14,998.24, 20,692.56 and 9,699.76

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Solution

The fourth proportional to 14,998.24, 20,692.56 and 9,699.76 is: 13,382.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,998.24 : 20,692.56 = 9,699.76 : x
  2. Step 2: Convert to fraction form
    14,998.24/20,692.56 = 9,699.76/x
  3. Step 3: Cross multiply
    14,998.24x = 20,692.56 × 9,699.76
  4. Step 4: Simplify right side
    14,998.24x = 200,712,865.79
  5. Step 5: Solve for x
    x = 200,712,865.79/14,998.24
  6. Step 6: Final answer
    x = 13,382.43

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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.