Home / 27,180.45-37,509.33-15,081.15

Finding the Fourth Proportional to 27,180.45, 37,509.33 and 15,081.15

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Solution

The fourth proportional to 27,180.45, 37,509.33 and 15,081.15 is: 20,812.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,180.45 : 37,509.33 = 15,081.15 : x
  2. Step 2: Convert to fraction form
    27,180.45/37,509.33 = 15,081.15/x
  3. Step 3: Cross multiply
    27,180.45x = 37,509.33 × 15,081.15
  4. Step 4: Simplify right side
    27,180.45x = 565,683,832.13
  5. Step 5: Solve for x
    x = 565,683,832.13/27,180.45
  6. Step 6: Final answer
    x = 20,812.16

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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.