Home / 15,919.03-23,739.58-13,953.77

Finding the Fourth Proportional to 15,919.03, 23,739.58 and 13,953.77

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Solution

The fourth proportional to 15,919.03, 23,739.58 and 13,953.77 is: 20,808.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,919.03 : 23,739.58 = 13,953.77 : x
  2. Step 2: Convert to fraction form
    15,919.03/23,739.58 = 13,953.77/x
  3. Step 3: Cross multiply
    15,919.03x = 23,739.58 × 13,953.77
  4. Step 4: Simplify right side
    15,919.03x = 331,256,626.98
  5. Step 5: Solve for x
    x = 331,256,626.98/15,919.03
  6. Step 6: Final answer
    x = 20,808.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.