Home / 26,260.23-36,252.50-20,278.47

Finding the Fourth Proportional to 26,260.23, 36,252.50 and 20,278.47

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Solution

The fourth proportional to 26,260.23, 36,252.50 and 20,278.47 is: 27,994.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,260.23 : 36,252.50 = 20,278.47 : x
  2. Step 2: Convert to fraction form
    26,260.23/36,252.50 = 20,278.47/x
  3. Step 3: Cross multiply
    26,260.23x = 36,252.50 × 20,278.47
  4. Step 4: Simplify right side
    26,260.23x = 735,145,132.28
  5. Step 5: Solve for x
    x = 735,145,132.28/26,260.23
  6. Step 6: Final answer
    x = 27,994.62

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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.