Home / 26,393.56-36,423.36-15,215.56

Finding the Fourth Proportional to 26,393.56, 36,423.36 and 15,215.56

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Solution

The fourth proportional to 26,393.56, 36,423.36 and 15,215.56 is: 20,997.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,393.56 : 36,423.36 = 15,215.56 : x
  2. Step 2: Convert to fraction form
    26,393.56/36,423.36 = 15,215.56/x
  3. Step 3: Cross multiply
    26,393.56x = 36,423.36 × 15,215.56
  4. Step 4: Simplify right side
    26,393.56x = 554,201,819.48
  5. Step 5: Solve for x
    x = 554,201,819.48/26,393.56
  6. Step 6: Final answer
    x = 20,997.62

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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.