Home / 27,515.26-37,970.85-14,940.10

Finding the Fourth Proportional to 27,515.26, 37,970.85 and 14,940.10

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Solution

The fourth proportional to 27,515.26, 37,970.85 and 14,940.10 is: 20,617.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,515.26 : 37,970.85 = 14,940.10 : x
  2. Step 2: Convert to fraction form
    27,515.26/37,970.85 = 14,940.10/x
  3. Step 3: Cross multiply
    27,515.26x = 37,970.85 × 14,940.10
  4. Step 4: Simplify right side
    27,515.26x = 567,288,296.09
  5. Step 5: Solve for x
    x = 567,288,296.09/27,515.26
  6. Step 6: Final answer
    x = 20,617.22

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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.