Home / 21,752.39-30,032.75-16,707.59

Finding the Fourth Proportional to 21,752.39, 30,032.75 and 16,707.59

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Solution

The fourth proportional to 21,752.39, 30,032.75 and 16,707.59 is: 23,067.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,752.39 : 30,032.75 = 16,707.59 : x
  2. Step 2: Convert to fraction form
    21,752.39/30,032.75 = 16,707.59/x
  3. Step 3: Cross multiply
    21,752.39x = 30,032.75 × 16,707.59
  4. Step 4: Simplify right side
    21,752.39x = 501,774,873.57
  5. Step 5: Solve for x
    x = 501,774,873.57/21,752.39
  6. Step 6: Final answer
    x = 23,067.57

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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.