Home / 17,400.10-26,135.08-10,393.78

Finding the Fourth Proportional to 17,400.10, 26,135.08 and 10,393.78

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Solution

The fourth proportional to 17,400.10, 26,135.08 and 10,393.78 is: 15,611.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,400.10 : 26,135.08 = 10,393.78 : x
  2. Step 2: Convert to fraction form
    17,400.10/26,135.08 = 10,393.78/x
  3. Step 3: Cross multiply
    17,400.10x = 26,135.08 × 10,393.78
  4. Step 4: Simplify right side
    17,400.10x = 271,642,271.80
  5. Step 5: Solve for x
    x = 271,642,271.80/17,400.10
  6. Step 6: Final answer
    x = 15,611.54

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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.