Home / 14,003.12-19,332.60-9,291.44

Finding the Fourth Proportional to 14,003.12, 19,332.60 and 9,291.44

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Solution

The fourth proportional to 14,003.12, 19,332.60 and 9,291.44 is: 12,827.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,003.12 : 19,332.60 = 9,291.44 : x
  2. Step 2: Convert to fraction form
    14,003.12/19,332.60 = 9,291.44/x
  3. Step 3: Cross multiply
    14,003.12x = 19,332.60 × 9,291.44
  4. Step 4: Simplify right side
    14,003.12x = 179,627,692.94
  5. Step 5: Solve for x
    x = 179,627,692.94/14,003.12
  6. Step 6: Final answer
    x = 12,827.69

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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.