Home / 21,708.81-29,941.26-14,536.47

Finding the Fourth Proportional to 21,708.81, 29,941.26 and 14,536.47

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Solution

The fourth proportional to 21,708.81, 29,941.26 and 14,536.47 is: 20,049.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,708.81 : 29,941.26 = 14,536.47 : x
  2. Step 2: Convert to fraction form
    21,708.81/29,941.26 = 14,536.47/x
  3. Step 3: Cross multiply
    21,708.81x = 29,941.26 × 14,536.47
  4. Step 4: Simplify right side
    21,708.81x = 435,240,227.75
  5. Step 5: Solve for x
    x = 435,240,227.75/21,708.81
  6. Step 6: Final answer
    x = 20,049.01

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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.