Home / 27,666.88-38,134.77-19,603.23

Finding the Fourth Proportional to 27,666.88, 38,134.77 and 19,603.23

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Solution

The fourth proportional to 27,666.88, 38,134.77 and 19,603.23 is: 27,020.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,666.88 : 38,134.77 = 19,603.23 : x
  2. Step 2: Convert to fraction form
    27,666.88/38,134.77 = 19,603.23/x
  3. Step 3: Cross multiply
    27,666.88x = 38,134.77 × 19,603.23
  4. Step 4: Simplify right side
    27,666.88x = 747,564,450.79
  5. Step 5: Solve for x
    x = 747,564,450.79/27,666.88
  6. Step 6: Final answer
    x = 27,020.20

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Half scale
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Double scale
Find fourth proportional to 27,667.88, 38,136.14 and 19,604.23
Similar ratio
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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.