Home / 27,603.50-38,091.67-15,666.59

Finding the Fourth Proportional to 27,603.50, 38,091.67 and 15,666.59

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Solution

The fourth proportional to 27,603.50, 38,091.67 and 15,666.59 is: 21,619.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,603.50 : 38,091.67 = 15,666.59 : x
  2. Step 2: Convert to fraction form
    27,603.50/38,091.67 = 15,666.59/x
  3. Step 3: Cross multiply
    27,603.50x = 38,091.67 × 15,666.59
  4. Step 4: Simplify right side
    27,603.50x = 596,766,632.37
  5. Step 5: Solve for x
    x = 596,766,632.37/27,603.50
  6. Step 6: Final answer
    x = 21,619.24

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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.