Home / 26,928.04-37,156.32-14,991.12

Finding the Fourth Proportional to 26,928.04, 37,156.32 and 14,991.12

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Solution

The fourth proportional to 26,928.04, 37,156.32 and 14,991.12 is: 20,685.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,928.04 : 37,156.32 = 14,991.12 : x
  2. Step 2: Convert to fraction form
    26,928.04/37,156.32 = 14,991.12/x
  3. Step 3: Cross multiply
    26,928.04x = 37,156.32 × 14,991.12
  4. Step 4: Simplify right side
    26,928.04x = 557,014,851.88
  5. Step 5: Solve for x
    x = 557,014,851.88/26,928.04
  6. Step 6: Final answer
    x = 20,685.31

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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.