Home / 26,918.90-40,374.51-8,448.50

Finding the Fourth Proportional to 26,918.90, 40,374.51 and 8,448.50

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Solution

The fourth proportional to 26,918.90, 40,374.51 and 8,448.50 is: 12,671.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,918.90 : 40,374.51 = 8,448.50 : x
  2. Step 2: Convert to fraction form
    26,918.90/40,374.51 = 8,448.50/x
  3. Step 3: Cross multiply
    26,918.90x = 40,374.51 × 8,448.50
  4. Step 4: Simplify right side
    26,918.90x = 341,104,047.74
  5. Step 5: Solve for x
    x = 341,104,047.74/26,918.90
  6. Step 6: Final answer
    x = 12,671.54

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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.