Home / 26,838.74-40,259.58-8,118.32

Finding the Fourth Proportional to 26,838.74, 40,259.58 and 8,118.32

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Solution

The fourth proportional to 26,838.74, 40,259.58 and 8,118.32 is: 12,177.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,838.74 : 40,259.58 = 8,118.32 : x
  2. Step 2: Convert to fraction form
    26,838.74/40,259.58 = 8,118.32/x
  3. Step 3: Cross multiply
    26,838.74x = 40,259.58 × 8,118.32
  4. Step 4: Simplify right side
    26,838.74x = 326,840,254.15
  5. Step 5: Solve for x
    x = 326,840,254.15/26,838.74
  6. Step 6: Final answer
    x = 12,177.93

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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.