Home / 26,478.80-36,540.96-14,542.28

Finding the Fourth Proportional to 26,478.80, 36,540.96 and 14,542.28

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Solution

The fourth proportional to 26,478.80, 36,540.96 and 14,542.28 is: 20,068.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,478.80 : 36,540.96 = 14,542.28 : x
  2. Step 2: Convert to fraction form
    26,478.80/36,540.96 = 14,542.28/x
  3. Step 3: Cross multiply
    26,478.80x = 36,540.96 × 14,542.28
  4. Step 4: Simplify right side
    26,478.80x = 531,388,871.79
  5. Step 5: Solve for x
    x = 531,388,871.79/26,478.80
  6. Step 6: Final answer
    x = 20,068.47

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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.