Home / 14,261.60-21,401.60-7,692.36

Finding the Fourth Proportional to 14,261.60, 21,401.60 and 7,692.36

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Solution

The fourth proportional to 14,261.60, 21,401.60 and 7,692.36 is: 11,543.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,261.60 : 21,401.60 = 7,692.36 : x
  2. Step 2: Convert to fraction form
    14,261.60/21,401.60 = 7,692.36/x
  3. Step 3: Cross multiply
    14,261.60x = 21,401.60 × 7,692.36
  4. Step 4: Simplify right side
    14,261.60x = 164,628,773.31
  5. Step 5: Solve for x
    x = 164,628,773.31/14,261.60
  6. Step 6: Final answer
    x = 11,543.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.