Home / 27,515.16-37,969.62-14,939.64

Finding the Fourth Proportional to 27,515.16, 37,969.62 and 14,939.64

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Solution

The fourth proportional to 27,515.16, 37,969.62 and 14,939.64 is: 20,616.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,515.16 : 37,969.62 = 14,939.64 : x
  2. Step 2: Convert to fraction form
    27,515.16/37,969.62 = 14,939.64/x
  3. Step 3: Cross multiply
    27,515.16x = 37,969.62 × 14,939.64
  4. Step 4: Simplify right side
    27,515.16x = 567,252,453.74
  5. Step 5: Solve for x
    x = 567,252,453.74/27,515.16
  6. Step 6: Final answer
    x = 20,616.00

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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.