Home / 27,109.36-37,411.12-15,173.80

Finding the Fourth Proportional to 27,109.36, 37,411.12 and 15,173.80

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Solution

The fourth proportional to 27,109.36, 37,411.12 and 15,173.80 is: 20,939.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,109.36 : 37,411.12 = 15,173.80 : x
  2. Step 2: Convert to fraction form
    27,109.36/37,411.12 = 15,173.80/x
  3. Step 3: Cross multiply
    27,109.36x = 37,411.12 × 15,173.80
  4. Step 4: Simplify right side
    27,109.36x = 567,668,852.66
  5. Step 5: Solve for x
    x = 567,668,852.66/27,109.36
  6. Step 6: Final answer
    x = 20,939.96

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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.