Home / 14,511.54-20,021.47-9,398.96

Finding the Fourth Proportional to 14,511.54, 20,021.47 and 9,398.96

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Solution

The fourth proportional to 14,511.54, 20,021.47 and 9,398.96 is: 12,967.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,511.54 : 20,021.47 = 9,398.96 : x
  2. Step 2: Convert to fraction form
    14,511.54/20,021.47 = 9,398.96/x
  3. Step 3: Cross multiply
    14,511.54x = 20,021.47 × 9,398.96
  4. Step 4: Simplify right side
    14,511.54x = 188,180,995.67
  5. Step 5: Solve for x
    x = 188,180,995.67/14,511.54
  6. Step 6: Final answer
    x = 12,967.68

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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.