Home / 26,928.09-37,160.69-14,991.12

Finding the Fourth Proportional to 26,928.09, 37,160.69 and 14,991.12

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Solution

The fourth proportional to 26,928.09, 37,160.69 and 14,991.12 is: 20,687.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,928.09 : 37,160.69 = 14,991.12 : x
  2. Step 2: Convert to fraction form
    26,928.09/37,160.69 = 14,991.12/x
  3. Step 3: Cross multiply
    26,928.09x = 37,160.69 × 14,991.12
  4. Step 4: Simplify right side
    26,928.09x = 557,080,288.12
  5. Step 5: Solve for x
    x = 557,080,288.12/26,928.09
  6. Step 6: Final answer
    x = 20,687.70

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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.