Home / 14,610.90-21,887.48-9,665.58

Finding the Fourth Proportional to 14,610.90, 21,887.48 and 9,665.58

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Solution

The fourth proportional to 14,610.90, 21,887.48 and 9,665.58 is: 14,479.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,610.90 : 21,887.48 = 9,665.58 : x
  2. Step 2: Convert to fraction form
    14,610.90/21,887.48 = 9,665.58/x
  3. Step 3: Cross multiply
    14,610.90x = 21,887.48 × 9,665.58
  4. Step 4: Simplify right side
    14,610.90x = 211,555,188.94
  5. Step 5: Solve for x
    x = 211,555,188.94/14,610.90
  6. Step 6: Final answer
    x = 14,479.27

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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.