Home / 27,187.32-37,519.16-15,251.54

Finding the Fourth Proportional to 27,187.32, 37,519.16 and 15,251.54

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Solution

The fourth proportional to 27,187.32, 37,519.16 and 15,251.54 is: 21,047.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,187.32 : 37,519.16 = 15,251.54 : x
  2. Step 2: Convert to fraction form
    27,187.32/37,519.16 = 15,251.54/x
  3. Step 3: Cross multiply
    27,187.32x = 37,519.16 × 15,251.54
  4. Step 4: Simplify right side
    27,187.32x = 572,224,969.51
  5. Step 5: Solve for x
    x = 572,224,969.51/27,187.32
  6. Step 6: Final answer
    x = 21,047.49

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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.