Home / 26,970.68-40,449.53-13,816.28

Finding the Fourth Proportional to 26,970.68, 40,449.53 and 13,816.28

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Solution

The fourth proportional to 26,970.68, 40,449.53 and 13,816.28 is: 20,721.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,970.68 : 40,449.53 = 13,816.28 : x
  2. Step 2: Convert to fraction form
    26,970.68/40,449.53 = 13,816.28/x
  3. Step 3: Cross multiply
    26,970.68x = 40,449.53 × 13,816.28
  4. Step 4: Simplify right side
    26,970.68x = 558,861,761.02
  5. Step 5: Solve for x
    x = 558,861,761.02/26,970.68
  6. Step 6: Final answer
    x = 20,721.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.