Home / 26,677.49-39,987.27-11,866.03

Finding the Fourth Proportional to 26,677.49, 39,987.27 and 11,866.03

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Solution

The fourth proportional to 26,677.49, 39,987.27 and 11,866.03 is: 17,786.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,677.49 : 39,987.27 = 11,866.03 : x
  2. Step 2: Convert to fraction form
    26,677.49/39,987.27 = 11,866.03/x
  3. Step 3: Cross multiply
    26,677.49x = 39,987.27 × 11,866.03
  4. Step 4: Simplify right side
    26,677.49x = 474,490,045.47
  5. Step 5: Solve for x
    x = 474,490,045.47/26,677.49
  6. Step 6: Final answer
    x = 17,786.16

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1.5x scale

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.