Home / 26,880.48-40,327.54-18,998.52

Finding the Fourth Proportional to 26,880.48, 40,327.54 and 18,998.52

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Solution

The fourth proportional to 26,880.48, 40,327.54 and 18,998.52 is: 28,502.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,880.48 : 40,327.54 = 18,998.52 : x
  2. Step 2: Convert to fraction form
    26,880.48/40,327.54 = 18,998.52/x
  3. Step 3: Cross multiply
    26,880.48x = 40,327.54 × 18,998.52
  4. Step 4: Simplify right side
    26,880.48x = 766,163,575.24
  5. Step 5: Solve for x
    x = 766,163,575.24/26,880.48
  6. Step 6: Final answer
    x = 28,502.60

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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.