Home / 16,332.40-22,539.32-9,259.44

Finding the Fourth Proportional to 16,332.40, 22,539.32 and 9,259.44

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Solution

The fourth proportional to 16,332.40, 22,539.32 and 9,259.44 is: 12,778.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,332.40 : 22,539.32 = 9,259.44 : x
  2. Step 2: Convert to fraction form
    16,332.40/22,539.32 = 9,259.44/x
  3. Step 3: Cross multiply
    16,332.40x = 22,539.32 × 9,259.44
  4. Step 4: Simplify right side
    16,332.40x = 208,701,481.18
  5. Step 5: Solve for x
    x = 208,701,481.18/16,332.40
  6. Step 6: Final answer
    x = 12,778.37

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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.