Home / 26,424.97-36,478.08-18,498.31

Finding the Fourth Proportional to 26,424.97, 36,478.08 and 18,498.31

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Solution

The fourth proportional to 26,424.97, 36,478.08 and 18,498.31 is: 25,535.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,424.97 : 36,478.08 = 18,498.31 : x
  2. Step 2: Convert to fraction form
    26,424.97/36,478.08 = 18,498.31/x
  3. Step 3: Cross multiply
    26,424.97x = 36,478.08 × 18,498.31
  4. Step 4: Simplify right side
    26,424.97x = 674,782,810.22
  5. Step 5: Solve for x
    x = 674,782,810.22/26,424.97
  6. Step 6: Final answer
    x = 25,535.80

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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.