Home / 26,671.80-39,962.58-11,858.04

Finding the Fourth Proportional to 26,671.80, 39,962.58 and 11,858.04

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Solution

The fourth proportional to 26,671.80, 39,962.58 and 11,858.04 is: 17,767.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,671.80 : 39,962.58 = 11,858.04 : x
  2. Step 2: Convert to fraction form
    26,671.80/39,962.58 = 11,858.04/x
  3. Step 3: Cross multiply
    26,671.80x = 39,962.58 × 11,858.04
  4. Step 4: Simplify right side
    26,671.80x = 473,877,872.14
  5. Step 5: Solve for x
    x = 473,877,872.14/26,671.80
  6. Step 6: Final answer
    x = 17,767.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.