Home / 26,821.48-40,218.72-9,286.60

Finding the Fourth Proportional to 26,821.48, 40,218.72 and 9,286.60

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Solution

The fourth proportional to 26,821.48, 40,218.72 and 9,286.60 is: 13,925.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,821.48 : 40,218.72 = 9,286.60 : x
  2. Step 2: Convert to fraction form
    26,821.48/40,218.72 = 9,286.60/x
  3. Step 3: Cross multiply
    26,821.48x = 40,218.72 × 9,286.60
  4. Step 4: Simplify right side
    26,821.48x = 373,495,165.15
  5. Step 5: Solve for x
    x = 373,495,165.15/26,821.48
  6. Step 6: Final answer
    x = 13,925.23

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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.