Home / 21,752.88-30,033.45-16,708.09

Finding the Fourth Proportional to 21,752.88, 30,033.45 and 16,708.09

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Solution

The fourth proportional to 21,752.88, 30,033.45 and 16,708.09 is: 23,068.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,752.88 : 30,033.45 = 16,708.09 : x
  2. Step 2: Convert to fraction form
    21,752.88/30,033.45 = 16,708.09/x
  3. Step 3: Cross multiply
    21,752.88x = 30,033.45 × 16,708.09
  4. Step 4: Simplify right side
    21,752.88x = 501,801,585.61
  5. Step 5: Solve for x
    x = 501,801,585.61/21,752.88
  6. Step 6: Final answer
    x = 23,068.28

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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.