Home / 26,300.24-36,270.29-20,558.46

Finding the Fourth Proportional to 26,300.24, 36,270.29 and 20,558.46

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Solution

The fourth proportional to 26,300.24, 36,270.29 and 20,558.46 is: 28,351.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,300.24 : 36,270.29 = 20,558.46 : x
  2. Step 2: Convert to fraction form
    26,300.24/36,270.29 = 20,558.46/x
  3. Step 3: Cross multiply
    26,300.24x = 36,270.29 × 20,558.46
  4. Step 4: Simplify right side
    26,300.24x = 745,661,124.80
  5. Step 5: Solve for x
    x = 745,661,124.80/26,300.24
  6. Step 6: Final answer
    x = 28,351.88

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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.