Home / 21,741.11-30,063.12-17,257.08

Finding the Fourth Proportional to 21,741.11, 30,063.12 and 17,257.08

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Solution

The fourth proportional to 21,741.11, 30,063.12 and 17,257.08 is: 23,862.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,741.11 : 30,063.12 = 17,257.08 : x
  2. Step 2: Convert to fraction form
    21,741.11/30,063.12 = 17,257.08/x
  3. Step 3: Cross multiply
    21,741.11x = 30,063.12 × 17,257.08
  4. Step 4: Simplify right side
    21,741.11x = 518,801,606.86
  5. Step 5: Solve for x
    x = 518,801,606.86/21,741.11
  6. Step 6: Final answer
    x = 23,862.70

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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.