Home / 26,499.42-36,583.42-20,436.40

Finding the Fourth Proportional to 26,499.42, 36,583.42 and 20,436.40

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Solution

The fourth proportional to 26,499.42, 36,583.42 and 20,436.40 is: 28,213.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,499.42 : 36,583.42 = 20,436.40 : x
  2. Step 2: Convert to fraction form
    26,499.42/36,583.42 = 20,436.40/x
  3. Step 3: Cross multiply
    26,499.42x = 36,583.42 × 20,436.40
  4. Step 4: Simplify right side
    26,499.42x = 747,633,404.49
  5. Step 5: Solve for x
    x = 747,633,404.49/26,499.42
  6. Step 6: Final answer
    x = 28,213.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.