Home / 26,976.16-40,456.32-9,442.72

Finding the Fourth Proportional to 26,976.16, 40,456.32 and 9,442.72

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Solution

The fourth proportional to 26,976.16, 40,456.32 and 9,442.72 is: 14,161.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,976.16 : 40,456.32 = 9,442.72 : x
  2. Step 2: Convert to fraction form
    26,976.16/40,456.32 = 9,442.72/x
  3. Step 3: Cross multiply
    26,976.16x = 40,456.32 × 9,442.72
  4. Step 4: Simplify right side
    26,976.16x = 382,017,701.99
  5. Step 5: Solve for x
    x = 382,017,701.99/26,976.16
  6. Step 6: Final answer
    x = 14,161.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.