Home / 26,805.42-36,990.77-15,474.53

Finding the Fourth Proportional to 26,805.42, 36,990.77 and 15,474.53

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Solution

The fourth proportional to 26,805.42, 36,990.77 and 15,474.53 is: 21,354.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,805.42 : 36,990.77 = 15,474.53 : x
  2. Step 2: Convert to fraction form
    26,805.42/36,990.77 = 15,474.53/x
  3. Step 3: Cross multiply
    26,805.42x = 36,990.77 × 15,474.53
  4. Step 4: Simplify right side
    26,805.42x = 572,414,795.19
  5. Step 5: Solve for x
    x = 572,414,795.19/26,805.42
  6. Step 6: Final answer
    x = 21,354.44

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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.