Home / 27,109.87-37,411.81-15,174.32

Finding the Fourth Proportional to 27,109.87, 37,411.81 and 15,174.32

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Solution

The fourth proportional to 27,109.87, 37,411.81 and 15,174.32 is: 20,940.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,109.87 : 37,411.81 = 15,174.32 : x
  2. Step 2: Convert to fraction form
    27,109.87/37,411.81 = 15,174.32/x
  3. Step 3: Cross multiply
    27,109.87x = 37,411.81 × 15,174.32
  4. Step 4: Simplify right side
    27,109.87x = 567,698,551.72
  5. Step 5: Solve for x
    x = 567,698,551.72/27,109.87
  6. Step 6: Final answer
    x = 20,940.66

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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.