Home / 14,287.85-21,422.66-5,973.60

Finding the Fourth Proportional to 14,287.85, 21,422.66 and 5,973.60

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Solution

The fourth proportional to 14,287.85, 21,422.66 and 5,973.60 is: 8,956.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,287.85 : 21,422.66 = 5,973.60 : x
  2. Step 2: Convert to fraction form
    14,287.85/21,422.66 = 5,973.60/x
  3. Step 3: Cross multiply
    14,287.85x = 21,422.66 × 5,973.60
  4. Step 4: Simplify right side
    14,287.85x = 127,970,371.91
  5. Step 5: Solve for x
    x = 127,970,371.91/14,287.85
  6. Step 6: Final answer
    x = 8,956.59

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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.