Home / 26,841.88-37,042.86-15,511

Finding the Fourth Proportional to 26,841.88, 37,042.86 and 15,511

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Solution

The fourth proportional to 26,841.88, 37,042.86 and 15,511 is: 21,405.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,841.88 : 37,042.86 = 15,511 : x
  2. Step 2: Convert to fraction form
    26,841.88/37,042.86 = 15,511/x
  3. Step 3: Cross multiply
    26,841.88x = 37,042.86 × 15,511
  4. Step 4: Simplify right side
    26,841.88x = 574,571,801.46
  5. Step 5: Solve for x
    x = 574,571,801.46/26,841.88
  6. Step 6: Final answer
    x = 21,405.80

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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.