Home / 27,145.19-37,464.32-15,209.34

Finding the Fourth Proportional to 27,145.19, 37,464.32 and 15,209.34

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Solution

The fourth proportional to 27,145.19, 37,464.32 and 15,209.34 is: 20,991.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,145.19 : 37,464.32 = 15,209.34 : x
  2. Step 2: Convert to fraction form
    27,145.19/37,464.32 = 15,209.34/x
  3. Step 3: Cross multiply
    27,145.19x = 37,464.32 × 15,209.34
  4. Step 4: Simplify right side
    27,145.19x = 569,807,504.70
  5. Step 5: Solve for x
    x = 569,807,504.70/27,145.19
  6. Step 6: Final answer
    x = 20,991.11

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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.