Home / 12,385.54-18,567.37-9,476.83

Finding the Fourth Proportional to 12,385.54, 18,567.37 and 9,476.83

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Solution

The fourth proportional to 12,385.54, 18,567.37 and 9,476.83 is: 14,206.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,385.54 : 18,567.37 = 9,476.83 : x
  2. Step 2: Convert to fraction form
    12,385.54/18,567.37 = 9,476.83/x
  3. Step 3: Cross multiply
    12,385.54x = 18,567.37 × 9,476.83
  4. Step 4: Simplify right side
    12,385.54x = 175,959,692.51
  5. Step 5: Solve for x
    x = 175,959,692.51/12,385.54
  6. Step 6: Final answer
    x = 14,206.87

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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.