Home / 27,105.13-37,400.16-15,618.25

Finding the Fourth Proportional to 27,105.13, 37,400.16 and 15,618.25

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Solution

The fourth proportional to 27,105.13, 37,400.16 and 15,618.25 is: 21,550.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,105.13 : 37,400.16 = 15,618.25 : x
  2. Step 2: Convert to fraction form
    27,105.13/37,400.16 = 15,618.25/x
  3. Step 3: Cross multiply
    27,105.13x = 37,400.16 × 15,618.25
  4. Step 4: Simplify right side
    27,105.13x = 584,125,048.92
  5. Step 5: Solve for x
    x = 584,125,048.92/27,105.13
  6. Step 6: Final answer
    x = 21,550.35

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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.