Home / 26,928.26-37,160-14,991.36

Finding the Fourth Proportional to 26,928.26, 37,160 and 14,991.36

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Solution

The fourth proportional to 26,928.26, 37,160 and 14,991.36 is: 20,687.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,928.26 : 37,160 = 14,991.36 : x
  2. Step 2: Convert to fraction form
    26,928.26/37,160 = 14,991.36/x
  3. Step 3: Cross multiply
    26,928.26x = 37,160 × 14,991.36
  4. Step 4: Simplify right side
    26,928.26x = 557,078,937.60
  5. Step 5: Solve for x
    x = 557,078,937.60/26,928.26
  6. Step 6: Final answer
    x = 20,687.52

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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.