Home / 14,321.51-21,473.63-6,422.60

Finding the Fourth Proportional to 14,321.51, 21,473.63 and 6,422.60

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Solution

The fourth proportional to 14,321.51, 21,473.63 and 6,422.60 is: 9,630.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,321.51 : 21,473.63 = 6,422.60 : x
  2. Step 2: Convert to fraction form
    14,321.51/21,473.63 = 6,422.60/x
  3. Step 3: Cross multiply
    14,321.51x = 21,473.63 × 6,422.60
  4. Step 4: Simplify right side
    14,321.51x = 137,916,536.04
  5. Step 5: Solve for x
    x = 137,916,536.04/14,321.51
  6. Step 6: Final answer
    x = 9,630.03

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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.