Home / 21,331.08-29,410.74-17,541

Finding the Fourth Proportional to 21,331.08, 29,410.74 and 17,541

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Solution

The fourth proportional to 21,331.08, 29,410.74 and 17,541 is: 24,185.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,331.08 : 29,410.74 = 17,541 : x
  2. Step 2: Convert to fraction form
    21,331.08/29,410.74 = 17,541/x
  3. Step 3: Cross multiply
    21,331.08x = 29,410.74 × 17,541
  4. Step 4: Simplify right side
    21,331.08x = 515,893,790.34
  5. Step 5: Solve for x
    x = 515,893,790.34/21,331.08
  6. Step 6: Final answer
    x = 24,185.08

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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.